JAMB Physics questions

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

All JAMB WAEC

Question 321· Optical instruments· JAMB
An object is placed 60 cm from a converging lens of focal length 20 cm. Find the image distance.
Explanation and discussion
Question 322· Pressure· JAMB
A mercury manometer shows a difference in levels of 5 cm. Find the pressure difference. (Density of mercury = 13 600 kg/m³)
Explanation and discussion
Question 323· Pressure· JAMB
The pressure at a depth of 5 m in water of density 1000 kg/m³ is: (g = 10 m/s²)
Explanation and discussion
Question 324· Pressure· JAMB
Find the pressure due to sea water at a depth of 2 m. [density = 1030 kg/m³, g = 10 m/s²]
Explanation and discussion
Question 325· Pressure· JAMB
The mercury column in a barometer is 76 cm high. Find the atmospheric pressure. (Density of mercury = 13 600 kg/m³.)
Explanation and discussion
Question 326· Pressure· JAMB
A siphon works because of
Explanation and discussion
Question 327· Pressure· JAMB
A hydraulic press has pistons of area 0.02 m² and 0.5 m². What load can a 100 N force on the small piston support?
Explanation and discussion
Question 328· Pressure· JAMB
Dams are built thicker at the bottom than at the top because
Explanation and discussion
Question 329· Pressure· JAMB
The pressure at a point in a liquid at rest depends on the
Explanation and discussion
Question 330· Pressure· JAMB
A force of 600 N acts on an area of 0.2 m². Find the pressure.
Explanation and discussion
Question 331· 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?
Explanation and discussion
Question 332· Pressure· JAMB
At sea level, atmospheric pressure supports a mercury column about
Explanation and discussion
Question 333· Pressure· JAMB
A force of 1500 N acts on an area of 0.03 m². Find the pressure.
Explanation and discussion
Question 334· Pressure· JAMB
As one climbs a high mountain, atmospheric pressure
Explanation and discussion
Question 335· 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))
Explanation and discussion
Question 336· 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)
Explanation and discussion
Question 337· Quantity of heat· JAMB
The SI unit of specific heat capacity is
Explanation and discussion
Question 338· 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]
Explanation and discussion
Question 339· Quantity of heat· JAMB
The method of mixtures for finding specific heat capacity is based on the principle that
Explanation and discussion
Question 340· Quantity of heat· JAMB
Find the heat capacity of a 2 kg block with specific heat capacity 400 J/(kg K).
Explanation and discussion

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JAMB Physics questions

An object is placed 60 cm from a converging lens of focal length 20 cm. Find the image distance.

A mercury manometer shows a difference in levels of 5 cm. Find the pressure difference. (Density of mercury = 13 600 kg/m³)

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

Find the pressure due to sea water at a depth of 2 m. [density = 1030 kg/m³, g = 10 m/s²]

The mercury column in a barometer is 76 cm high. Find the atmospheric pressure. (Density of mercury = 13 600 kg/m³.)

A siphon works because of

A hydraulic press has pistons of area 0.02 m² and 0.5 m². What load can a 100 N force on the small piston support?

Dams are built thicker at the bottom than at the top because

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

A force of 600 N acts on an area of 0.2 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?

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.

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 SI unit of specific heat capacity 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]

The method of mixtures for finding specific heat capacity is based on the principle that

Find the heat capacity of a 2 kg block with specific heat capacity 400 J/(kg K).