NTPC CBT-2 Physics Quiz - 60

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Question 1:

How many total internal reflections of light take place in the formation of the primary rainbow?

Question 2:

Which of the following would have the highest resistivity?

Question 3:

A curved surface of a shining spoon can generally be considered as a-

Question 4:

Which of the following statements about 'fission' is correct?
A. It is related to the creation of new individuals by means of cell division in unicellular organisms.
B. It is related to the transformation of heavier nuclei into smaller nuclei.
C. It is related to the creation of heavier nuclei by means of combining two higher nuclei.

Question 5:

The fourth state of matter is known as-

Question 6:

Which one of the following instruments is used to study dispersion of light?

Question 7:

A falling drop of rain water ac-quires the spherical shape due to  ?

Question 8:

The sounds having a frequency of 20 Hertz to 20,000 Hertz are known as–

Question 9:

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

Question 10:

Which of the following is a process in which hot, less dense materials rise upward and are replaced by colder, more dense materials?