Post Utme Physics Past Questions and Answers

Question 281:

If an object is placed in front of two mirrors inclined at \(90^{\circ}\), how many images will be formed?

A. Five
B. Four
C. Three
D. Two

Question 282:

A \(24 \mathrm{~V}\) potential difference is applied across a parallel combination of four 6-ohm resistors. The current in each resistor is ____________

A. \(1 \mathrm{~A}\)
B. \(4 \mathrm{~A}\)
C. \(16 \mathrm{~A}\)
D. \(18 \mathrm{~A}\)

Question 283:

In which of the following arrangements is the wavelength in an increasing order?

A. Gamma rays, infrared rays, x-rays, radio waves.
B. Gamma rays, x-rays, infrared rays, radio waves.
C. Radio waves, x-rays, gamma rays, infrared rays.
D. Infrared rays, radio waves, x-rays, gamma rays.

Question 284:

A galvanometer of resistance 20 is to be provided with a shunt such that 1/10 of the whole current in a circuit pass through the galvanometer. The resistance of the shunt is

A. 2.00
B. 2.22
C. 18.00
D. 18.22

Question 285:

An inclined plane which makes an angle of 30˚ with horizontal has a velocity ratio of ____________

A. 2
B. 1
C. 0.866
D. 0.50