Pressure - Physics Jamb Past Questions and Answers

Question 1 :

• JAMB 2019

If the time of flight is 96seconds, calculate the horizontal range through the point of projection.

A. 84400m
B. 69000m
C. 61440m
D. 24000m

Question 2 :

• JAMB 1978

mercury is a better barometric fluid than water because i. it needs no colouring ii. its density is many times greater than that of water iii. it does not wet glass iv. it has a high vapour pressure v. it has a high boiling point. which of the above statements are true?

A. I and ii only
B. I, ii and iii only
C. Iii and iv only
D. Iv and v only
E. Iii, iv and v only

Question 3 :

• JAMB 1978

The density of a solid is defined as the

A. Mass of the solid compared to the mass of an equal volume of water
B. Amount of water displaced when a unit mass of thesolid is immersed in it
C. Weight per unit volume of the solid
D. Volume per unit mass of the solid
E. Mass per unit volume of the solid

Question 4 :

• JAMB 1978

A solid suspended by a piece of string is completely immersed in water. On attempting to lift the solid out of the water, the string breaks when the solid is partly out of the water. This is because

A. The tension in the string decreases as the solid is lifted
B. The mass of the solid has increased
C. The solid apparently weighs less when completely immersed in water than when partially immersed
D. Part of the solid still in water is exerting more force on the string
E. The solid is no longer in equilibrium with water

Question 5 :

• JAMB 1979

The density 400cm³ of palm oil was 0.9gcm^-3 before frying. If the density of the oil was 0.6gm^-3 after frying,assuming no loss of oil due to spilling, its new volume was

A. 360cm³
B. 600cm³
C. 240cm³
D. 800cm³
E. 450cm³