Post Utme Physics Past Questions and Answers

Question 766:

The image which cannot be formed an a screen is said to be ____________

A. Inverted
B. Erect
C. Real
D. Virtual

Question 767:

An object is placed in the principal as is and at the center of curvature of a concave mirror, the image on the object formed be the insure is ____________

A. Real and magnified
B. Real and inverted
C. Erect and magnified
D. Erect and virtual

Question 768:

A converging lens has a focal length of 5cm determined its power ____________

A. 20.0
B. 20.2
C. 20.0
D. 0.20

Question 769:

Which of the following pairs of light rays shows the wide separation in the spectrum of white light?

A. Green and blue
B. Green and indigo
C. Blue and violent
D. Read and yellow

Question 770:

The speed of sound in air is directly proportional to ____________

A. As temperature on the Celsius scale
B. It temperature on the thermodynamic scale
C. The square root of its temperature on the Celsius scale
D. The square root of its temperature absolute scale