Jamb Physics 2005 Past Questions and Answers

Question 21:

• JAMB 2005

A 3m³ volume of liquid W of density 200kgm³ is mixed with another liquid L of volume 7m³ and density 150kgm^-3. the density of mixture is?

A. 165kgm^-3
B. 100kgm^-3
C. 265kgm^-3
D. 350kgm^-3

Question 22:

• JAMB 2005

A body of mass 36kg falls through a viscous liquid which offers a drag force of 260N on the body. The upthrust on the body at terminal velocity is?
[g = 10ms²]

A. 100N
B. 620N
C. 50N
D. 310N

Question 23:

• JAMB 2005

The process whereby the molecules of different substances move randomly is called?

A. Capillarity
B. Surface tension
C. Osmosis
D. Diffusion

Question 24:

• JAMB 2005

I. reproducibility
II. Sensibility
III. High terminal capacity
iv. High accuracy
The quantities of a good thermometer include?

A. I, II and IV only
B. I, III and IV only
C. I, II and III only
D. II, III and IV only

Question 25:

• JAMB 2005

The process whereby a liquid turns spontaneously into vapour is called?

A. Regelation
B. Sublimation
C. Boiling
D. Evaporation