NTPC CBT-2 Physics Quiz - 9

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Question 1:

The first law of thermodynamics is simply the case of-

Question 2:

Flux meter was invented by-

Question 3:

Which of the following quantities does not have any unit?

Question 4:

A 4 Ω coil and a 2 Ω coil are connected in parallel. A total current of 3 A passes through the coils. What current passes through the 2 Ω coil ?

Question 5:

In the absence of an ozone layer, Which rays will enter the atmosphere?

Question 6:

It is difficult to walk on an oily floor because

Question 7:

Friction always- 

Question 8:

Who verified experimentally the law of conservation of energy and discovered the value of the mechanical equivalent of heat?


Question 9:

Which of the following is  the method of heat transfer in solids?

Question 10:

The size of the particles being studied in nano-technology is about-