Saturday, 9 March 2019

# 11th Class Physics MCQs Solved Notes Chapter Wise

11th Class Physics Solved MCQs Punjab Board Chapter wise notes. Here i am sharing for the punjab board examination studnets of the Physics class chapter wise notes. All of these notes are very important for PPSC, NTS exams also. Solved notes all punjab board exams others chapter wise notes are also available. 1st Year Physics MCQs Punjab Board

## 11th Class Physics MCQs Chapter 1 Punjab Board

Question 1: An engine which gives maximum efficiency is called ?
1. Heat engine
2. Petrol engine
3. None of these
4. Carnot engine
D
Question 2: Longitudinal waves do not exhibit ?
1. None of these
2. Diffraction
3. Reflection
4. Polarization
D
Question 3: The ratio of distance covered to displacement covered by a body along a semicircle is ?
1. 1
2. π
3. π/2
D
Question 4: Height of projectile is ?
1. vi sin² 0/2g
2. vi² sin 0/g
3. vi²sin² 0/2g
4. vi sin 0/g
C
Question 5: Length of a telescope in normal adjustment ?
1. fo – fe
2. fe – fo
3. fe + fo
4. fo/fe
C
Question 6: PVγ = Constant, is a relation for ?
2. Isothermal process
3. Isobaric process
4. Isochoric process
A
Question 7: For glass air boundary critical angle is ?
1. 43˚
2. 41˚
3. 45˚
4. 41.8˚
D
Question 8: Polarization of light shows that light waves are ?
1. Both (a), (b)
2. None of these
3. Longitudinal
4. Transverse
D
Question 9: Distance between a node and antinode is ?
1. λ/2
2. λ/4
3. λ/3
4. λ
B
Question 10: Equation of continuity is based on law of conservation of ?
1. Charge
2. Mass
3. Energy
4. Momentum
B
Question 11: The change in entropy of a system is given mathematical form ?
1. ∆S = - ∆Q/T
2. ∆S = - T/∆Q
3. ∆S = - ∆Q x T
4. ∆Q = - ∆S/T
A
Question 12: Ĵ . (ˆk x î) = ?
1. î
2. 0
3. ˆk
4. 1
D
Question 13: Energy stored in a compressed spring is ?
1. None of these
2. P.E.
3. K.E.
4. Elastic P.E.
D
Question 14: Scalar product of force and velocity is ?
1. Velocity
2. None of these
3. Power
4. Torque
C
Question 15: Which one of the following is not a unit of time ?
1. Solar day
2. Leap Year
3. Parallactic Second
4. Lunar month
C
Question 16: Minimum number of unequal force whose vector sum be zero is ?
1. 5
2. 3
3. 2
4. 7
B
Question 17: The product of time period and frequency is ?
1. 2
2. none of these
3. 1
4. 3
C

## 11th Class Physics MCQs Chapter 2 Punjab Board

Question 1: The drag force increases as speed of object ?
1. Constant
2. All of these
3. Decreases
4. Increases
D
Question 2: Dimensions of angular velocity is same as that of the dimensions of ?
1. Time period
2. Frequency
3. Velocity
4. Torque
C
Question 3: For a diatomic gas Cv = 5R/2, therefore for this gas γ = ?
1. 7/5
2. 35/4
3. 5/7
4. 4/35
A
Question 3: (12+23-32)-1 ?
1. 4
2. 2
3. 30
4. 32
B
Question 5: The velocity time graph is parallel to time axis, acceleration of moving body is ?
1. Negative
2. Positive
3. Zero
4. Maximum
C
Question 6: The path of projectile is ?
1. Circle
2. Elliptic
3. Parabola
4. Hyperbola
C
Question 7: The frictional effect between different layers of moving fluid is called ?
1. Pressure
2. Force
3. Viscosity
4. Density
C
Question 8: Dimensions of moment of intertia ?
1. [M²L]
2. [ML²]
3. [ML]
4. [MLT⁻¹]
B
Question 9: 1 radian= ?
1. 67.3˚
2. 77. 3˚
3. 57. 3˚
4. 50. 3˚
C
Question 10: Light from sun reaches the earth in form of ---------- ?
1. Cylindrical wave front
2. Spherical wave front
3. All of above
4. Plane wave front
B
Question 11: Absolute P.E. on the surface of earth is ?
1. -GMm/R
2. -GMm/r₁
3. GMm/R
4. -GMm/r
A
Question 12: The frequency of second’s pendulum is ?
1. 2 Hz
2. 4 Hz
3. 0.5 Hz
4. 1 Hz
C
Question 13: Time period for mass-spring system is ?
1. 2π √mK
2. 2π √K/m
3. 2π √m/K
4. 2π √1/g
C
Question 14: The component of 9î + 17Ĵ along z-axis is ?
1. 9
2. Zero
3. 26
4. 17
B
Question 15: Unit of magnifying power is ?
1. Watt
2. Joule
3. Dioptre
4. Has no unit
D
Question 16: K.E. of 1 kg body having momentum 2 N-c is equal ?
1. 10 J
2. 2 J
3. 1 J
4. 5 J
B
Question 17: Dimensions of entropy ?
1. [ML⁻²T²K]
2. [MLT⁻²]
3. [ML²T⁻²K⁻¹]
4. [ML⁻²T⁻²K⁻¹]
B

## 11th Class Physics MCQs Chapter 3 Punjab Board

Question 1: Escape velocity from surface of moon is ?
1. 2.4 km/s
2. 11.2 km/s
3. 11 m/s
4. 24 m/s
B
Question 2: A double convex lens acts as diverging lens when the object is ?
1. Between F and 2F
2. On 2F
3. Inside focus
4. Away from 2F
C
Question 3: The speed of sound in air at 0˚C is ?
1. 224 m/s
2. 332 m/s
3. 322 m/s
4. Zero
B
Question 4: The angle of projection of a projectile for which its maximum height is equal to its range is ?
1. 63˚
2. 66˚
3. 76˚
4. 77˚
C
Question 5: In scientific notation 134.7 can be written as ?
1. 1.347 x 10²
2. None of these
3. 1.347 x 10⁻²
4. 1.347 x 10³
A
Question 6: The weight of man in an elevator moving down with an acceleration of 9.8 m/s² become ?
1. Double
2. Zero
3. Half
4. Unchanged
B
Question 7: Pressure is ?
1. Both (a), (b)
2. Vector quantity
3. Scalar quantity
4. None of these
C
Question 8: Which of the following process is irreversible ?
1. A chemical explosion
2. None of these
3. Slow compression of a gas
4. Slow compression of an elastic spring
A
Question 9: Torricelli’s theorem is ?
1. AV = Constant
2. √2g(h₁ - h₂)
3. 1/2 rV²₂
4. √2gh₁
B
Question 10: Unit of spring constant is ?
1. N.m³
2. N/m
3. Nm
4. N/m²
B
Question 11: Final image formed by a compound microscope is ?
1. Real and inverted
2. Virtual and erect
3. Virtual and inverted
4. Real and erect
C
Question 12: The temperature scale which is independent of the nature of substance used in thermometer is called ?
2. Kelvin scale
3. Fahrenheit scale
4. Thermodynamic scale
D
Question 13: Bragg’s equation is ?
1. D sin θ = nλ
2. 2d sin θ = nλ
3. λd sin θ = 2n
4. n sin θ = dλ
B
Question 14: The force which is responsi9ble for the motion of simple pendulum is ?
1. mg cos θ
2. Mg
3. mg sin θ
4. mg tan θ
C
Question 15: The result of two vectors of magnitude 2 and 3 is 1. The angle between them is ?
1. 180˚
2. 45˚
3. 90˚
A
Question 16: If vectors 2î + 4Ĵ -7ˆk and 2î + 6Ĵ + qˆk are perpendicular then value of q is ?
1. 4
2. 7
3. 5
4. 13
A
Question 17: 1 torr = ?
1. 133.3 N/m³
2. 133.3 Nm
3. 133.3 N/m²
4. 133.3 Nm⁻¹
C

## 11th Class Physics MCQs Chapter 4 Punjab Board

Question 1: The surface on which all the points have the same phase of vibration is called ?
1. Wavelength
2. None of these
3. Wave front
4. Focal length
C
Question 2: For air value of γ is ?
1. 2.4
2. 1.5
3. 1.4
4. 3.4
C
Question 3: The density of a cube is measured by measuring its mass and the length of its side. If maximum error in the measurement of mass and length are 3% and 2% respectively, then error in density is ?
1. 7%
2. 9%
3. 5%
4. 1%
B
Question 4: If resultant of two vectors each of magnitude F is also of magnitude F, the angle between them will be ?
1. 90˚
2. 120˚
3. 60˚
4. 180˚
B
Question 5: Speed of light through medium other than air is always ?
1. Greater than C
2. Now of these
3. Equal to C
4. Less than C
D
Question 6: If F = 0.08 N and x = 4 cm then K = ?
1. 2
2. 6
3. 8
4. 4
A
Question 7: If |A + B| = |A – B| then angle between A and B is ?
1. 120˚
2. 45˚
3. 90˚
4. 180˚
C
Question 8: The process for which entropy remains constant is ?
1. Both (a), (b)
2. Irreversible
3. Reversible
4. None of these
C
Question 9: A disc, hoop and a sphere start moving down from top of an inclined plan at same time. Which one will be moving faster on reaching bottom ?
1. Both (a), (c)
2. Sphere
3. Disc
4. Hoop
B
Question 10: Length of compound microscope is ?
1. qe + po
2. qope
3. qo + pe
4. fo + fe
C
Question 11: Unit of impulse is ?
1. N sec.
2. kg m²/s
3. Nm
4. N
A
Question 12: [LT⁻²] is dimensional formula for ?
1. Acceleration
2. Momentum
3. Force
4. Velocity
A
Question 13: If pipe is open at one end and closed at other end, harmonics generated are ?
1. 3
2. 6
3. 2
4. 4
A
Question 14: While driving equation of time period for simple pendulum which should be kept small ?
1. Mass of bob
2. Amplitude
3. Length
4. Number of vibrations
B
Question 15: 1 KWh = ?
1. 3.6 x 10⁻⁵ J
2. 3.6 x 10⁶ J
3. 3.6 x 10⁵ J
4. 3.6 x 10⁻⁶ J
B
Question 16: Pressure will be low where speed is ?
1. Zero
2. Low
3. High
4. None of these
C
Question 17: Heat represents: ?
1. Density
2. Power
3. Energy in transit
4. Momentum
C

## 11th Class Physics MCQs Chapter 5 Punjab Board

Question 1: A rain drop of radius r falls with terminal sped Vt. What is terminal speed of rain drop of radius 2r ?
1. 2vt
2. vt
3. 4vt
4. vt/2
C
Question 2: Radar is an application of ?
1. Zeeman effect
2. Photoelectric effect
3. Doppler effect
4. Compton effect
C
Question 3: If earth contracts so that its radius becomes half. How fast then it will rotate? As earth rotates on its axis once a day ?
1. 24 h
2. 18 h
3. 3 h
4. 6 h
D
Question 4: When damping is small, the amplitude of vibration is ?
1. Large
2. Small
3. None of these
4. Both (a), (b)
A
Question 5: Unit vector in the direction of A = 4î + 3Ĵ: ?
1. 3î + 4Ĵ/5
2. 4î + 3Ĵ/7
3. î + 3Ĵ/5
4. 4î + 3Ĵ/5
A
Question 6: At absolute zero temperature, the gases have ?
1. Zero volume
2. None of these
3. Maximum volume
4. Negative volume
A
Question 7: In Michelson’s experiment, equation used to find speed of light is ?
1. 2d/c
2. 16d/f
3. 16 fd
4. 16d/f
C
Question 8: Focal length f and radius of curvature are related as ?
1. f = 2R
2. f = √R
3. f = R/2
4. f = R
C
Question 9: Time to reach maximum height for a projectile is ?
1. vi² sin 2θ/g
2. 2vi sin θ/g
3. vi sin² θ/2g
4. vi sin θ/g
D
Question 10: 1 femto = ?

Option A= 105
Option B= 10-15
Option C= 1015
Option D= 10-5
1. B
2. A
3. D
4. C
A
Question 11: In young’s double slit experiment, fringe spacing is: ?
1. λd/L
2. λL/d
3. dL/λ
4. λd/2L
B
Question 12: The waveform of S.H.M. is ?
1. Square wave
2. Sine wave
3. Pulse
4. Sawtooth wave
B
Question 13: If a transverse wave traveling in a rare medium is incident on a denser medium, it is reflected such that it undergoes a phase change of ?
1. 180˚
2. 120˚
3. 90˚
4. 360˚
A
Question 14: The fundamental equation in fluid dynamics that relates pressure to fluid speed and height is ?
1. None of these
2. Equation of continuity
3. Maxwell’s equation
4. Bernoulli’s equation
D
Question 15: According to Pascal’s law pressure every where inside the vessel will be ?
1. Maximum
2. None of these
3. Different
4. Same
D
Question 16: Work done is maximum if angle between F and d is ?
1. 90˚
2. 45˚
3. 180˚
D
Question 17: Unit of spring constant is identical with that of ?
1. Surface tension
2. Pressure
3. Torque
4. Force
A

## 11th Class Physics MCQs Chapter 6 Punjab Board

Question 1: The slope of velocity time graph gives ?
1. Acceleration
2. speed
3. Distance
4. Area
C
Question 2: Moment of Inertia is measured in ?
1. kgm-2
2. N.S
3. kgm2
4. red/sec
C
Question 3: The area between Velocity-time graph and the time axis is numerically equal to ?
1. Distance covered by the object
2. Average velocity of the object
3. Speed of Object
4. Acceleration of object
A
Question 4: Isothermal process is carried out at constant ?
1. Volume
2. Energy
3. Temperature
4. Pressure
C
Question 5: Energy Stored in wining spring ?
1. K.E
2. Elastic P.E.
3. Electrical Energy
4. Solar Energy
B
Question 6: Unit of blood pressure is ?
1. Torr
2. N.m-2
3. Pascal
4. Decibel
A
Question 7: Symbolically solid angle is represented as ?
1. 0
2. Cd
3. sr
C
Question 8: The equation 2d sin 0 = ny denotes ?
1. Bragg equation
2. Young Double slit equation
3. Diffraction grating equation
4. Huygen Principle
A
Question 9: Reverse process of vector addition is called ?
1. Obtaining a unit vector
2. Subtraction of vectors
3. Resolution of vectors
4. Making a vector negative
C
Question 10: Human blood-pressure is measured in ?
1. mm
2. N-m-2
3. Pascal
4. cm
B

## 11th Class Physics MCQs Chapter 7 Punjab Board

Question 1: The total quantities are ?
1. 3
2. 7
3. 9
4. None
B
Question 2: At constant pressure, the graph between V and T is ?
1. Hyperbola
2. Parabola
3. Ellipse
4. Straight line
D
Question 3: If line of action of force passes through axis of rotation or origin, then its torque is ?
1. Unity
2. maximum
3. Zero
4. None of these
C
Question 4: If focal length is 5 cm then power of a lens is ?
1. 20
2. 15
3. 5
4. 10
A
Question 5: The frequency of a second's pendulum is ?
1. one Hz
2. 0.5 Hz
3. 2.0 Hz
4. 1.5 Hz
B
Question 6: The smooth or steady stream line flow is called ?
1. Regular Flow
2. Laminar Flow
3. Simple flow
4. Turbulent Flow
B
Question 7: The SI unit of work is ?
1. Erg
2. Joule
3. Newton
4. Dyne
B
Question 8: The SI unit of solid angle is ?
1. Degree
2. Candela
C
Question 9: The resultant of tow forces 3N and 4N making an angle 90 with each other is ?
1. 1 N
2. 7 N
3. 3.5 N
4. 5 N
D
Question 10: Laws of motion are not valid is a system which is ?
1. Moving with uniform velocity
2. at rest isolated
3. Non-inertial
4. none of these
C
Share: