Post Utme Physics Past Questions and Answers

Question 1186:

The image position of a concave mirror when the object is at infinity is

A. At infinity
B. Beyond
C. Between C and F
D. On F

Question 1187:

Given that the mass of a metal is \(3.6 kg\) and its density is \(9000 kg / m ^{3}\). Calculate the reading on the spring balance when immersed in water

A. \(36 N\)
B. \(32 N\)
C. \(40 N\)
D. \(3.2 N\)

Question 1188:

The objective lens of a compound microscope produces what kind of image?

A. Magnified, inverted and real image
B. Diminished, inverted and real image
C. Diminished, upright and virtual
D. Magnified, upright and virtual

Question 1189:

The arrangement of particles in giant molecules can be studied using

A. X - rays
B. \(\alpha\) - rays
C. \(\beta\)-rays
D. \(\gamma\)-rays

Question 1190:

Which one is false about the compound microscope?

A. The two lenses have short focal length
B. The objective lens produces magnified and erect image
C. The eyepiece lens has a longer focal length than the objective
D. The two lenses are convex