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Physics Objective Choice Question MCQ

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1.Which among the following can be measured with Anemometer?

[A] Water Velocity

[B] Wind Velocity

[C] Relative Humidity

[D] Absolute Humidity

Correct Answer: B 


2.Which of the following term denotes the internal reaction force per unit area developed as a result of applied external force ?

[A] Stress

[B] Friction

[C] Moment of Inertia

[D] tension

Correct Answer: A 


3.Mach number is a measure of which of the following?

[A] Speed

[B] Heat Transfer

[C] Static Pressure

[D] Volume

Correct Answer: A 


4.“Svedberg Unit” is a unit of _________?

[A] Concentration

[B] Size

[C] Density

[D] Time

Correct Answer: D 


5.Which among the following is a correct definition of the Closed Fuel Cycle?

[A] Preparation of fuel and subsequent processes during reactor operation

[B] Closed Fuel Cycle refers to the process of separating the spent fuel

[C] Closed Fuel cycle is the process in which spent fuel is reprocessed

[D] Closed Fuel cycle is the process in which spent fuel is NOT reprocessed

Correct Answer: C 


6.While passing over an obstacle a light ray slightly bends round the corner. The phenomenon is known as__:

[A] Scattering

[B] Polarisation

[C] Diffraction

[D] Refraction

Correct Answer: C 


7.Optical Fibre technology works on which of these principles of Physics?

[A] Bernoulli’s Principle

[B] Newton’s law of Motion

[C] Total internal reflection of Light

[D] Photoelectric effect

Correct Answer: C 


8.The equation of motion ‘v = u +at’ can be applied in which of the following cases?

[A] simple harmonic motion

[B] circular motion

[C] when acceleration is constant

[D] Both b and c

Correct Answer: C 


9.The magnitude of the resultant of two vectors is maximum in which of the following case?

[A] when vectors act in the same direction

[B] when vectors act in the opposite direction

[C] when vectors act at 90° to each other

[D] None of the above

Correct Answer: A 


10.Which of the following is incorrect:

[A] Gravitational force of attraction is independent of nature of intervening medium

[B] Gravitational forces are central forces

[C] Gravitational forces are non-conservative forces

[D] All of the above

Correct Answer: C 


11.Curie the a unit of which of the following?

[A] Luminescence

[B] Radioactivity

[C] Pressure

[D] Mass

Correct Answer: B 


12.kg m2is the unit of which of the following physical quantities?

[A] Linear Momentum

[B] Angular Momentum

[C] Angular Impulse

[D] Moment of Inertia

Correct Answer: D 


13.What is the angular acceleration of a body moving with constant angular velocity?

[A] equal to the angular velocity

[B] 1

[C] 0

[D] Can’t be determined

Correct Answer: C 


14.Which of the following relations between Kinetic energy and Potential energy is true about solids?

[A] Kinetic energy = Potential energy

[B] Kinetic energy > Potential energy

[C] Kinetic energy >> Potential energy

[D] Kinetic energy < Potential energy

Correct Answer: D 


15.What will be the buoyant force acting on the stone, on being immersed in water, if it displaces 100gms of water?

[A] 1000 gm-weight

[B] 100 gm-weight

[C] 10 gm-weight

[D] 1 gm-weight

Correct Answer: B 


16.What happens to the liquid in a capillary of insufficient length?

[A] liquid overflows from the upper end like a fountain

[B] liquid tickles along the vertical sides of the tube

[C] liquid does not rise at all

[D] None of the above

Correct Answer: D 


17.What is the density of air at room temperature?

[A] 1.41

[B] 1.75

[C] 1.29

[D] 1.9

Correct Answer: C 


18.What is the oscillation in which the loss of oscillator is compensated by the supplying energy from an external source known as?

[A] Free oscillation

[B] Maintained oscillation

[C] Forced oscillation

[D] Damped oscillation

Correct Answer: B 


19.What is a perfectly black body?

[A] A body which absorbs all the radiations incident on it

[B] A body which has zero coefficient of linear expansion

[C] A body which has zero absorptive power

[D] A body painted black on all sides

Correct Answer: A 


20.On which of the following the molar specific heat capacity of a substance depends?

[A] Nature of the substance

[B] Temperature of the substance

[C] Both a and b

[D] None

Correct Answer: C 


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Physics Objective Choice Question MCQ