[MCQ]Physics MCQs For UPSC(NDA/NA) Exam, SET 10||DEB STUDY

PHYSICS OBJECTIVE Q&A FOR UPSC (NDA/NA) EXAM

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UPSC NDA/NA PHYSICS MCQ Q.1

The wavelength of X-rays is of the order of 

(a) 1 mm
(b) 1 cm
(c) 1 micron
(d) 1 Armstrong



Ans.(d)

UPSC NDA/NA PHYSICS MCQ Q.2

Which one of the following is the mode of heat transfer in which warm material is transported so as to displace a cooler material

(a) Conduction only
(b) Convection only
(c) Radiation
(d) Both conduction and convection


Ans.(b)

UPSC NDA/NA PHYSICS MCQ Q.3

Non-conductors, whose polarisation is caused by an electric field , are known as 

(a) Semi-conductor
(b) Super conductor 
(c) Dielectrics
(d) Resistive 


Ans.(b)

UPSC NDA/NA PHYSICS MCQ Q.4

In vacuum, the speed of light 

(a) depends on its wavelength
(b) depend on its frequency
(c) depend on its intensity
(d) neither depend on its wavelength, frequency nor intensity


Ans.(d)

UPSC NDA/NA PHYSICS MCQ Q.5

Which one of the following statements correctly defines power?

(a) energy supplied per unit time
(b) energy of an object due to its motion 
(c) energy of an object due to its position
(d) none of the above


Ans.(a)

UPSC NDA/NA PHYSICS MCQ Q.6

The electric charge is stored in a device called 

(a) inductor
(b) capacitor 
(c) resister
(d) transformer


Ans.(b)

UPSC NDA/NA PHYSICS MCQ Q.7

Consider the following parts of spectra 
  
1. Visible
2. Infrared
3. Ultraviolet
4. Microwave

Which one of the following is the correct sequence in which their wavelengths increase?
(a) 4<3<1<2
(b) 4<1<2<3
(c) 3<2<1<4
(d) 3<1<2<4


Ans.(d)

UPSC NDA/NA PHYSICS MCQ Q.8

Propagation of light quanta may be described by 

(a) Photons
(b) Protons
(c) Neutrons
(d) Electrons


Ans.(a)

UPSC NDA/NA PHYSICS MCQ Q.9

Which one of the following is not electromagnetic in nature ?

(a) Cathode rays
(b) X rays
(c) Gamma rays
(d) Infrared rays


Ans.(a)

UPSC NDA/NA PHYSICS MCQ Q.10

The force experienced by a unit positive test charge placed at a point is called

(a) magnetic field at that point
(b) gravitational field at that point
(c) electrical field at that point
(d) nuclear field at that point


Ans.(c)





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