CSEC Physics

PPO Set 1

Question 0 / 15 0%
Q1
Which conditions must be satisfied for gas laws to apply?
I. Mass of gas remains constant
II. Temperature is measured in kelvin
III. Consistent units are used
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Q2
Which quantity determines the loudness of a sound?
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Q3
A vehicle is designed with a low centre of gravity mainly to
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Q4
Which process involves energy transfer without a change in temperature?
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Q5
An image formed by a plane mirror is always
I. virtual
II. upright
III. same size as object
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Q6
Linear momentum depends on which of the following quantities?
I. Mass of the object
II. Velocity of the object
III. Acceleration of the object
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Q7
Which scientist established the relationship between mechanical work and heat?
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Q8
Which instrument is best suited for measuring the thickness of a coin accurately?
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Q9
Which factor affects the speed of a wave?
I. Nature of the medium
II. Frequency of the wave
III. Temperature of the medium
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Q10
When a ball thrown vertically upwards reaches its maximum height, it has
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Q11
A measurement is recorded as 0.00620 kg. How many significant figures does it contain?
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Q12
Dispersion of white light occurs because different colours
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Q13
Which physical quantity remains unchanged when a person moves from Earth to the Moon?
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Q14
Wrapping a cloth around a thin rope before lifting a heavy object reduces pain because the cloth
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Q15
Which wave requires a medium for transmission?
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