THIRD TERM EXAM PHYSICS
Authored by BIBIL MOHAN
Physics
8th Grade
Used 22+ times
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50 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which letter corresponds to the amplitude?
A
B
C
D
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which diagram correctly shows rays passing through a camera lens?
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Water waves change direction when they move from shallow water to deep water.
What is the name of this effect?
A diffraction
B dispersion
C reflection
D refraction
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A plane mirror is on a wall. Which is a correct description of the image formed by the mirror?
A the right way up and smaller than the object
B the right way up and the same size as the object
C upside down and smaller than the object
D upside down and the same size as the object
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A woman tunes her radio to a station broadcasting on 200 m. What does the 200 m tell her about the radio wave?
A its amplitude
B its frequency
C its speed
D its wavelength
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A boy is stranded on an island 500 m from the shore.
He shouts for help, but all he can hear in reply is the echo of his shout from some cliffs. Sound travels at 340 m/s through the air. What is the time interval between the boy shouting and hearing the echo?
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A student wishes to use a magnetising coil to make a permanent magnet from a piece of metal. Which metal should she use?
A aluminium
B copper
C iron
D steel
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