ABU Physics 2015/2016 Past Questions

Practice each question, then open it to see the full details.

The slope of a straight line displacement time graph indicates

A.Distance travelled
B.uniform velocity
C.uniform acceleration
D.instant acceleration
E.uniform speed

A ball of mass 0.5kg moving at 10m/s collides with another ball of equal mass at rest. if the two balls move off together after the impact, calculate their common velocity

A.0.2m/s
B.0.5m/s
C.10m/s
D.3m/s

How much heat is given out when a piece of iron mass 50g and specific heat capacity 460Jkg^-1K^-1 cools from 85°c to 25°c?

A.1.38 × 10⁶J
B.2.53 × 10²J
C.1.98 × 10⁴J
D.1.38 × 10³J
E.1.27 × 10³J

Which of the following is not suitable method of reducing loss of heat from a piece of hot iron?

A.wrapping it in cotton wool
B.painting it black
C.placing it in a vacuum
D.placing it in a rubber support
E.keeping it in a closed wooden box

A bat emits a sound wave at a speed of 1650.00m/s and receives the echo 0.15 seconds later. Calculate the distance of the bat from the reflector

A.8.75m
B.16.60m
C.87.75m
D.123.75m
E.330.00m

Which of the following is/are characteristics of sound? i pitch ii loudness ii Quality iv Noise

A.i only
B.ii only
C.i & ii only
D.i, ii, iii only
E.i, ii, iii ans iv

An image which can be formed on a screen is said to be

A.virtual
B.blurred
C.inverted
D.erect
E.real

A ray of light is incident at an angle of 30° on a glass prism of refractive index 15. Calculate the angle through which the ray is minimally deviated in the prism (The medium surrounding the prism s air)

A.10.5°
B.5.5°
C.21.1°
D.38.9°
E.40.5°

At which of the following distance from the lens should a slide be placed in a slide projector if the focal length of the projection less?

A.less than f
B.greater thean 2f
C.greater than f but less than 2f
D.equal to f
E.equal to 2f

What of the camera corresponds to the iris of the eye?

A.shutter
B.film
C.lens
D.diaphragm
E.focusing ring