Question 4926:

• JAMB 2022

The graph of pressure (P) against the reciprocal of the volume (I/V) in Boyles's law is a?

A. Hyperbola
B. Parabola
C. Curve
D. Straight line

Question 4927:

• JAMB 2022

What quantity of heat is required to convert 20 g of ice at 0 ºC to water at the same temperature? (Specific latent heat of ice = 336 Jg\(^{-1}\))

A. 7.06 x 10\(^{3}\)J
B. 5.38 x 10\(^{3}\)J
C. 6.72 x 10\(^{3}\)J
D. 1.35 x 10\(^{3}\)J

Question 4928:

• JAMB 2022

A train of mass 1600 kg attains a speed of 25 ms\(^{-1}\) in 20 seconds. The power developed in the engine is?

A. 2.5 KW
B. 80 KW
C. 25 KW
D. 50 KW

Question 4929:

• JAMB 2022

The main factor which affects the speed of sound wave is the?

A. Properties of the medium
B. Amplitude of the sound wave
C. Intensity of the sound wave
D. Loudness of the sound wave

Question 4930:

• JAMB 2022

A semiconductor is formed by?

A. Co-ordinate bonds
B. Electrovalent bonds
C. A substance free of bonds
D. Covalent bonds