nuclear physics and conductivity - Category wise Question and Answer Practice Test with Solutions

Question : 16 [UPPCS (Pre) 2000]

At which temperature superconductivity can be of tremendous economic interest saving billions of rupees?

a) At a temperature when semiconductor becomes a super conductor

b) At room temperature

c) At very low temperature

d) At a very high temperature

Question : 17 [BPSC (Pre) 1999]

The Pokhran II test was conducted on

a) May 11th, 1998

b) June 9th, 1998

c) June 11th, 1998

d) May 29th, 1998

Question : 18 [UPPCS (Mains) 2009]

Which one of the following is used as moderator in a nuclear reactor?

a) Radium

b) Heavy Water

c) Thorium

d) Ordinary Water

Question : 19 [UPPCS (Pre) 1994]

Read the following statements.
Assertion (A):
Ernest Rutherford said in Royal Society that a man will never be able to get nuclear energy.
Reason (R):
He was confident that the Law of Einstein will fail and the volume will not be converted to energy.
Select your answer in the code given below.
Code

a) (A) is true, but (R) is false

b) Both (A) and (R) are true, but (R) is not the correct explanation of (A)

c) Both (A) and (R) are true and (R) is the correct explanation of (A)

d) (A) is false, but (R) is true

Question : 20 [PCS (Pre) 2003]

Which of the following is not a fuel element?

a) Radium

b) Thorium

c) Uranium

d) Helium