JAMB and WAEC Physics questions

829 questions with answers and explanations. Tap an option to check yourself.

All JAMB WAEC

Question 601· Pressure· JAMB
The pressure at a point in a liquid at rest depends on the
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Answer: B. depth and density of the liquid
Explanation and discussion
Question 602· Pressure· WAEC
A force of 200 N acts on an area of 0.5 m². The pressure is
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Answer: A. 400 Pa
Explanation and discussion
Question 603· Pressure· JAMB
A force of 600 N acts on an area of 0.2 m². Find the pressure.
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Answer: A. 3000 Pa
Explanation and discussion
Question 604· Pressure· WAEC
A force of 1,000 N acts on an area of 0.25 m². Find the pressure.
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Answer: B. 4,000 Pa
Explanation and discussion
Question 605· Pressure· JAMB
In a hydraulic press, the small piston has an area of 0.01 m² and the large piston 0.5 m². A force of 100 N on the small piston produces what force on the large piston?
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Answer: C. 5000 N
Explanation and discussion
Question 606· Pressure· WAEC
A mercury barometer reads 76 cm on a day. A water barometer would read about
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Answer: A. 10.3 m
Explanation and discussion
Question 607· Pressure· JAMB
At sea level, atmospheric pressure supports a mercury column about
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Answer: D. 760 mm high
Explanation and discussion
Question 608· Pressure· JAMB
A force of 1500 N acts on an area of 0.03 m². Find the pressure.
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Answer: D. 50 000 Pa
Explanation and discussion
Question 609· Pressure· WAEC
The pressure at a point in a liquid depends on the
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Answer: D. depth and the density of the liquid
Explanation and discussion
Question 610· Pressure· WAEC
The pressure at a depth of 5 m in water (density 1000 kg/m³, g = 10 m/s²), ignoring the atmosphere, is
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Answer: C. 50,000 Pa
Explanation and discussion
Question 611· Pressure· JAMB
As one climbs a high mountain, atmospheric pressure
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Answer: B. decreases
Explanation and discussion
Question 612· Quantity of heat· JAMB
Find the heat needed to raise the temperature of 3 kg of aluminium by 10 K. (c = 900 J/(kg K))
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Answer: A. 27 000 J
Explanation and discussion
Question 613· Quantity of heat· JAMB
The heat required to raise the temperature of 2 kg of water from 20 °C to 30 °C is: (specific heat capacity of water = 4200 J/kg K)
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Answer: C. 84 000 J
Explanation and discussion
Question 614· Quantity of heat· WAEC
The heat capacity of a body is
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Answer: C. the heat needed to raise its temperature by 1 K
Explanation and discussion
Question 615· Quantity of heat· JAMB
The SI unit of specific heat capacity is
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Answer: B. J/(kg K)
Explanation and discussion
Question 616· Quantity of heat· WAEC
Heat needed to raise 2 kg of water by 10 K (c = 4200 J/kg K) is
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Answer: C. 84,000 J
Explanation and discussion
Question 617· Quantity of heat· JAMB
How long does a 2 kW kettle take to heat 1.5 kg of water from 25 °C to 100 °C if no heat is lost? [c = 4200 J/kg K]
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Answer: B. 236 s
Explanation and discussion
Question 618· Quantity of heat· WAEC
Coastal towns such as Lagos have smaller daily temperature changes than inland towns because water has a
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Answer: B. high specific heat capacity
Explanation and discussion
Question 619· Quantity of heat· WAEC
A 500 W heater is switched on for 2 minutes. How much heat does it produce?
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Answer: A. 60 000 J
Explanation and discussion
Question 620· Quantity of heat· WAEC
How much heat is needed to raise 2 kg of water from 20 °C to 70 °C? [specific heat capacity of water = 4200 J/kg K]
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Answer: B. 420 000 J
Explanation and discussion

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JAMB and WAEC Physics questions

The pressure at a point in a liquid at rest depends on the

A force of 200 N acts on an area of 0.5 m². The pressure is

A force of 600 N acts on an area of 0.2 m². Find the pressure.

A force of 1,000 N acts on an area of 0.25 m². Find the pressure.

In a hydraulic press, the small piston has an area of 0.01 m² and the large piston 0.5 m². A force of 100 N on the small piston produces what force on the large piston?

A mercury barometer reads 76 cm on a day. A water barometer would read about

At sea level, atmospheric pressure supports a mercury column about

A force of 1500 N acts on an area of 0.03 m². Find the pressure.

The pressure at a point in a liquid depends on the

The pressure at a depth of 5 m in water (density 1000 kg/m³, g = 10 m/s²), ignoring the atmosphere, is

As one climbs a high mountain, atmospheric pressure

Find the heat needed to raise the temperature of 3 kg of aluminium by 10 K. (c = 900 J/(kg K))

The heat required to raise the temperature of 2 kg of water from 20 °C to 30 °C is: (specific heat capacity of water = 4200 J/kg K)

The heat capacity of a body is

The SI unit of specific heat capacity is

Heat needed to raise 2 kg of water by 10 K (c = 4200 J/kg K) is

How long does a 2 kW kettle take to heat 1.5 kg of water from 25 °C to 100 °C if no heat is lost? [c = 4200 J/kg K]

Coastal towns such as Lagos have smaller daily temperature changes than inland towns because water has a

A 500 W heater is switched on for 2 minutes. How much heat does it produce?

How much heat is needed to raise 2 kg of water from 20 °C to 70 °C? [specific heat capacity of water = 4200 J/kg K]