Physics Yr. 11(WAEC) 3rd Term Exam

Identify the only Fundamental quantity among the following

• Force

• Pressure

• Mass

• Energy

A body of mass 10kg has a weight of __________ if the acceleration due to gravity is 9.87 m/s² at the location where the body is.

• 9.87 N

• 98.7 N

• 987 N

• 0.987 N

Which of the following is not a fundamental unit?

• Kilogram

• Metre

• Joule

• Kelvin

Which of the following is most suitable for measuring weight?

• Lever balance

• Torsion bar

• Spring balance

• Work function

A force of 50 N produces an acceleration of 2.5 m/s² on a body. Find the mass of the body.

• 50 kg

• 40 kg

• 30 kg

• 20 kg

A rectangular glass block is 70 cm long and 50 cm wide. If its height is 30 cm, find its volume in cubic meters.

• 105 m³

• 10.5 m³

• 0.105 m³

• 1050 m³

Whenever a force is applied through a distance, which of the following takes place?

• Work is done

• Energy is destroyed

• Power is lost

• None of the above

Which of the following is the correct relation for Potential Energy?

• P.E = hg

• P.E = mv²

• P.E = mgh

• P.E = ma

A body of mass 80 kg rests on a horizontal platform which is 5 m above the ground. If the acceleration due to gravity at the location is 10 m/s², what is the Potential Energy possessed by the body?

• 40 J

• 400 J

• 4000 J

• 40000 J

According to the kinetic molecular theory, Temperature can be defined as:

• Heat transfer

• Average collision impact

• Average kinetic energy of molecules

• Average density of molecules