RRB GROUP D Physics Quiz - 37

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Question 1:

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

Question 2:

The earth and the moon are attracted to each other by gravitational force. The earth attracts the moon with a force that is:

Question 3:

Which of the these physical quantities is a vector quantity?

Question 4:

Which of the following elements is used in circuit to block the directional current (DC) ?

Question 5:

To measure which of the following "Knot" is used?