NDA PHYSICS QUIZ - 19

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Question 1:

The work done by the string of a simple pendulum after completing one full oscillation is equal to the –

Question 2:

Light waves are transverse waves because they -

Question 3:

Which of the following substances has the highest refractive index?

Question 4:

If two plane mirrors are place at right angle in front of each other then how many images are formed by them.

Question 5:

The fact that the planets move around the Sun, not in circles but in ellipses, was first demonstrated by-

Question 6:

Which of the following instruments is used to measure wind speed?

Question 7:

Which of the following instruments is used to measure density of milk to determine its purity?

Question 8:

Candela is the S.I. unit of which of the following physical quantities?

Question 9:

Which of the following is not a vector quantity?

Question 10:

Who among the following discovered Electromagnetic Induction ?