Jamb 2010 Physics Past Questions And Answers
During a thunderstorm, the sound is heard over a long time. this phenomenon is referred to as
- A) diffraction of sound
- B) refraction of sound
- C) superposition
- D) reveraberation
One special advantage of alcohol over mercury as a thermometric liquid is its
- A) low density
- B) low freezing point
- C) high specific
- D) low boiling point
In comparing the camera and the human eye, the film of the camera function as the
- A) retina
- B) iris
- C) cornea
- D) pupil
Which of the following has no effect on radiation?
- A) nature of surface
- B) density
- C) surface area
- D) temperature
Three capacitors of capacitance 2μF, 4μFand 8μF are connected in parallel and a P.D of 6V is maintained across each capacitor, the total energy stored is
- A) 2.52 x 10-6J
- B) 6.90 x 10-6J
- C) 2.52 x 10-4J
- D) 6.90 x 10-4J
If a container is filled with ice to the brim, what happens to the level of water when the ice completely melts?
- A) the level of water goes up
- B) the water in the glass outflows
- C) the level of water remains unchanged
- D) the level of water drops
An object is weighted at different locations on the earth. What will be the right observation?
- A) Both the mass and weight are constant
- B) Both the mass and weight vary
- C) the mass is constant while the weight varies
- D) the weight is constant while the mass varies
A vapour is said to be saturated when
- A) a dynamic equilibrium exists between liquid molecules and the vapour molecules
- B) a dynamic aquilibrium exists such that more molecules return to the liquid than are living it
- C) the temperature of the vapour varies
- D) the vapour pressure is atmospheric
Which of the following is used for the correction of short sightedness?
- A) convex lens
- B) concave lens
- C) convex mirror
- D) concave mirror
Heat is radiated by hot objects in the form
- A) x-rays
- B) light energy
- C) infrared rays
- D) solar energy