Physics

Question 1

1A wave of frequency 5 Hz and wavelength 5 m travels at ___ m/s.

Easy

Your answer (fill in the blank)

Question 2

2In a stationary wave, the points of zero displacement are called

Easy

A. crests B. nodes C. antinodes D. troughs

Question 3

3A wave has frequency 10 Hz and wavelength 0.34 m. Find its speed.

Easy

A. 3.4 m/s B. 29.41 m/s C. 0.034 m/s D. 10.34 m/s

Question 4

4Destructive interference occurs when a crest meets a trough.

Easy

A. True B. False

Question 5

5The wave equation is

Easy

A. v = λ/f B. v = f + λ C. v = f/λ D. v = fλ

Question 6

6Polarisation is possible only for

Medium

A. sound waves B. transverse waves C. all waves D. longitudinal waves

Question 7

7The distance between adjacent nodes in a stationary wave is one wavelength.

Medium

A. True B. False

Question 8

8A wave of frequency 20 Hz and wavelength 3 m travels at ___ m/s.

Easy

Your answer (fill in the blank)

Question 9

9In a longitudinal wave, the particles vibrate

Easy

A. only up and down B. randomly C. perpendicular to the direction of travel D. parallel to the direction of travel

Question 10

10A wave has frequency 50 Hz and wavelength 4 m. Find its speed.

Easy

A. 200 m/s B. 54 m/s C. 0.08 m/s D. 12.5 m/s