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[MCQ]Physics MCQs For UPSC(NDA/NA) Exam, SET 18||DEB STUDY

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By DEBABRATA MONDAL

Physics MCQs For UPSC(NDA/NA) Exam


UPSC NDA/NA PHYSICS MCQ Q.1

The speed of sound is maximum in 

(a) wood
(b) Air at zero degree C
(c) Air at 100 degree C
(d) Water


Ans.(a)



UPSC NDA/NA PHYSICS MCQ Q.2

The latest discovered state of matter is :

(a) Solid
(b) Bose-Einstein Condensate
(c) Plasma
(d) Liquid


Ans.(b)



UPSC NDA/NA PHYSICS MCQ Q.3

Van-De-Graaff generator is used for 

(a) accelerating charged particles
(b) generating large currents
(c) generating electric field
(d) generating high frequency voltage


Ans.(d)



UPSC NDA/NA PHYSICS MCQ Q.4

A balloon filled up With gas would only go up in air if it is filled up with :

(a) a gas whose density is lower than air
(b) a gas whose density is higher than air
(c) cold air
(d) water vapour


Ans.(a)



UPSC NDA/NA PHYSICS MCQ Q.5

Which one among the following waves thats use to detect the obstacles in their flying path?

(a) Infrared waves
(b) Electromagnetic waves
(c) Ultrasonic waves
(d) Radio waves


Ans.(c)



UPSC NDA/NA PHYSICS MCQ Q.6

The weight of an object of mass 1 kg can be expressed as :

(a) 1 N
(b) 10 N
(c) 9.8 N
(d) 9 N


Ans.(c)



UPSC NDA/NA PHYSICS MCQ Q.7

The product of the moment of inertia and the angular acceleration is : 

(a) Force
(b) Torque
(c) Work
(d) angular momentum


Ans.(b)



UPSC NDA/NA PHYSICS MCQ Q.8

Water has its maximum density at:

(a) 100 degree C
(b) 4 degree C
(c) 0 degree C
(d) -4 degree C


Ans.(b)



UPSC NDA/NA PHYSICS MCQ Q.9

Which one among the following would expand the most on being heated?

(a) Water
(b) Alcohol
(c) Glass
(d) Air


Ans.(d)



UPSC NDA/NA PHYSICS MCQ Q.10

The unit of viscosity is :

(a) poise
(b) pascal
(c) poiseuille
(d) none of these


Ans.(c)








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