NTPC CBT-2 Physics Quiz - 68

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Question 1:

Galvanometer is used to measure a small electrical current, how a galvanometer can be converted into a voltmeter by connecting with it a-

Question 2:

If the potential difference between the end of a wire of fixed resistance is doubled, by how much does the electric power increase?

Question 3:

Light waves are transverse waves because they -

Question 4:

Which of the following materials cannot be used as solar cells materials?

Question 5:

A projectile is thrown from a point in a horizontal place such that its horizontal and vertical velocity component are 9.8 m/s and 20 m/s respectively. Calculate its horizontal range -

Question 6:

Infrasonic waves are sound waves, infrasonic waves have frequency

Question 7:

Three resistors of 1 ohm, 2 ohm and 3 ohm are connected in parallel combination. The total resistance of the three resistors should be –

Question 8:

An object covers distance which is directly proportional to the square of the time. Its acceleration is

Question 9:

Which of the following is the correct depiction for joule’s law of heating?

Question 10:

The focal length of a concave mirror with a radius of curvature of 40 cm is-