RRB GROUP D Physics Quiz - 62

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Question 1:

Who among the following is a pioneer in discovering the heating effect of electric current?

Question 2:

Kirchhoff's laws are used to understand how current and voltage work within a circuit. Which of the following is correct about Kirchhoff's rule to obtain the balance condition in a Wheatstone bridge?

Question 3:

Which of the following properties is not possible in the case of X-rays?

Question 4:

Electric heating is also used to produce light in an electric bulb. Which among the following is the property of Tungsten which makes it eligible to use in the bulbs?

Question 5:

Which of the following lens is used to correct Presbyopia?

Question 6:

What should be the minimum distance between the reflecting surface and the observer to hear a clear echo?

Question 7:

Which of the following types of light are strongly absorbed by plants?

Question 8:

The value of "g" (gravity) on the moon is 1/6th of the value of g on earth. When a piece of rock is brought to the surface of the earth from the moon, then- ?

Question 9:

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

Question 10:

The electromagnetic waves, which are used for satellite communication, are-