Science Physics MCQ-170

General Science-Physics Practice Questions for UPPSC, RBI, DelhiPolice, NDA, UPSC, SSC, CDS, CivilsPrelims Exams



If s denotes sound energy, E denotes electrical energy and M denotes magnetic energy, the correct representation of recording and reproduction in an audio tape recorder is :

 
 
 
 

In a refrigerator, cooling is produced by:

 
 
 
 

Which of the following laws is explained by the statement that matter can neither be created for destroyed?

 
 
 
 

The radar is utilised for:

 
 
 
 

A three dimensional photograph is prepared through:

 
 
 
 

__ was the inventor of cosmic rays,

 
 
 
 

Who developed the missile?

 
 
 
 

Who developed the hydrogen bomb?

 
 
 
 

Who was the inventor of electron microscope?

 
 
 
 

Who was the inventor of scooter

 
 
 
 

Relative humidity is measured by:

 
 
 
 

Which one of the following is used in measuring altitudes?

 
 
 
 

The device through which the intensity of the sunrays is measured:

 
 
 
 

Solar radiation is measured by :

 
 
 
 

The following are some great discoveries in Physics:

1) X-rays
2) Theory of relativity
3) Super conductivity
4) Raman effect

The chronological order in which they were discovered is:

 
 
 
 

The following processes take place during the launching of a rocket:

1) Rocket fuel is burnt.
2) Gases are produced.
3) Rocket moves in the forward direction
4) Gases come out with momentum in backward direction.

The correct sequential order, in which the above processes occur is:

 
 
 
 

To achieve high value of rocket velocity one must have:

 
 
 
 

Electron was first identified by _____.

 
 
 
 

Who among the following received Nobel Prize twice for the same subject?

 
 
 
 

Neutron was discovered by:

 
 
 
 

Who is the recipient of Nobel Prize for the Development of Wireless Telegraphy?

 
 
 
 

Which one of the following pairs is correctly matched?

 
 
 
 

Which of the following is the correct combination of the inventors and the inventions?

 
 
 
 

Who among the following laid the foundation of nuclear science in the country?

 
 
 
 

For a simple pendulum in Simple harmonic motion, which of the following statements is/ are correct?
1) The kinetic energy is maximum at the mean position.
The potential energy is maximum at the mean position.

Acceleration is maximum at the mean position.