NTPC CBT-2 Physics Quiz - 18

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Question 1:

Hertz is the S.I. unit of which of the following ?

Question 2:

Cobalt- 60 is commonly used in radiation therapy because it emits-

Question 3:

A person cannot see objects clearly which are nearer than 75cm from his eyes, the disease he is suffering from is-

Question 4:

Some tiny insects like water skeeters is able to walk on the surface of water due to-

Question 5:

The region surrounding a magnet in which its effect can be experienced is called as

Question 6:

An intrinsic semiconductor at absolute zero temperature is a -

Question 7:

Very small insoluble particles in a liquid may be separated from it by using-

Question 8:

An object covers distance which is directly proportional to the square of the time. Its acceleration is

Question 9:

Which of the following has a negative charge?

Question 10:

Binoculars are versatile tools that provide enlarged images of distant objects, Binocular was invented by _________