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Physics questions and answers

Physics Questions and Answers

If you want to learn more about the nature and properties of matter and energy or you're simply preparing for a Physics exam, these Physics past questions and answers are ideal for you.

3,432.

Which of the following have the longest wavelengths?

A.

Infra-red rays

B.

Gamma rays

C.

X-rays

D.

Ultra-violet rays

E.

Radio waves

Correct answer is E

No explanation has been provided for this answer.

3,434.
3,435.

A lens of focal length 15.0 cm forms an upright image four times the size of an object. Calculate the distance of the image from the lens

A.

11.3cm

B.

18.8 cm

C.

37.5cm

D.

45.0cm

E.

75.0cm

Correct answer is E

No explanation has been provided for this answer.