Post Utme Physics Past Questions and Answers

Question 971:

The images, formed by diverging lens are always ____________

A. Diminished, virtual and inverted
B. Diminished, inverted and real
C. Diminished, virtual and erect
D. Magnified, virtual and erect
E. Magnified, real and inverted

Question 972:

In the normal uset of a simple microscope, a person sees an ____________

A. Inverted, virtual and magnified image
B. Erect, vitual and magnified image
C. Erect, real and magnified image
D. Inverted, real and magnified image
E. Inverted and realimage the same size as the object

Question 973:

A tens of focal length \(15.0 cm\) forms an upright image four times the size of an object.
calculate the distance of the image form the lens ____________

A. \(11 cm\)
B. \(18.8 cm\)
C. \(37.5 cm\)
D. \(45.0 cm\)
E. \(75.0 cm\)

Question 974:

If An object is placed between two mirrors which are inclined at an angle of \(120^{\circ}\) and facing each other.
Determine the number of images observed in two mirrors ____________

A. 1
B. 2
C. 3
D. 4
E. 5

Question 975:

In a ripple tank experiment, a vibrating plate is used to generate ripples in the water, if the distance between two successive troughs in 3., \(5 cm\) and the wave travels a distance of \(31.5 cm\) in \(1.5 s\), calculate the frequency of the vibrator

A. \(3.0 Hz\)
B. \(6.0 Hz\)
C. \(12.0 Hz\)
D. \(27.0 Hz\)
E. \(73.5 Hz\)