RRB GROUP D Physics Quiz - 43

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Question 1:

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

Question 2:

Which of the following lenses are used in flashlights?

Question 3:

The most suitable motor oil for use in a car in cold weather is:

Question 4:

What does X stands for in X-rays?

Question 5:

The resistivity (rho) of a material may be expressed in units of-