Jamb Physics Past Questions For Year 1978
Question 1
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 2
Two resistors R1 and R2 are connected in parallel, R2 being greater than R1. The combined resistance is
- A. less than R1
- B. greater than R2
- C. the sum of R1 and R2
- D. the difference of R2 and R1
- E. greater than R1 but less than R2
Question 3
The heat from the sun reaches the earth by the process
- A. insulation
- B. precipitation
- C. conduction
- D. convection
- E. radiation
Question 4
The following are some units i. Ns ii. Mm iii. Nm\(^-2\) iv. JKg\(^-1\). What are the units of latent heat?
- A. i
- B. ii
- C. iii
- D. iv
Question 5
A gas at pressure PNm\(^{-2}\) and temperature 27°C is heated to 77°C at constant volume. The new pressure is
- A. 0.85 PN-m-2
- B. 0.86 PN-m-2
- C. 1.16 PN-m-2
- D. 1.18 PN-m-2
- E. 2.85 PN-m-2
