Search SchoolNGR

Physics Past Questions and Answers

Jamb Physics Questions

Question 16:

Mercury is suitable as a barometric fluid because it

SchoolNGR Classroom

A Expands uniformly
B Is opaque
C Is several times denser than water
D Is a good conductor of heat

View Answer & Explanation

Question 17:

Which of the following properties makes metals ideal for cooking utensils?

SchoolNGR Classroom

A High coefficient of expansion
B Good conduction of heat
C Low specific heat capacity
D Poor radiation of heat

View Answer & Explanation

Question 18:

A gas occupies a volume of 300cm³at a temperature of 27^oC. What is its volume at 54^oC, when the pressure is constant?

SchoolNGR Classroom

A 150cm³
B 273cm³
C 327cm³
D 600cm³

View Answer & Explanation

Question 19:

When two objects P and Q are supplied with the same quantity of heat, the temperature change in P is observed to be twice that of Q. The ratio of the specific heat capacity of P to Q is

SchoolNGR Classroom

A 1 : 4
B 4 : 1
C 1 : 1
D 2 : 1

View Answer & Explanation

Question 20:

Which of the following is true of sounds?

SchoolNGR Classroom

A Sound travels faster in air at 20^oC than at 30^oC
B The frequency of a given sound wave changes when it crosses the boundary seperating two media
C The wavelength of a given sound wave in air decreases as the temperature increases
D Sound waves cannot be reflected

View Answer & Explanation

Stay Updated

Follow us on:

Subjects