BUK Physics 2015/2016 Past Questions

The nucleon number and the proton number in an element are 23 and 11 respectively. How many neutrons are present in the atom?

Which of the following is a scalar quantity

Which of the following is not an example of a force?

Which of the following is derived unit

The basic difference between the transverse and a longitudinal wave travelling in the same direction in a medium is in the

When a metal ball is heated through 30°C, its volume becomes 1.00180ms^-3 if the linear expansivity of the material of the ball is 2.0 × 10^-5

Which of the following radiations have the highest frequency?

Which of the following reasons explain why the walls and ceilings of a standard concert hall are usually covered with perforated pads? To

Calculate the length of a constantine wire of cross sectional area 4π × 10^-8m² and resistivity 1.1 × 10^-6 Ωm (take π = 22/7)

A body moves along a circular path with uniform angular speed of 3.0ms^-1. Calculate the acceleration of the body towards the centre of the circle

Which of the following statements is not true?

A boy timed 20 oscillations of a certain pendulum three times and obtained 44.3s,44.5s and 45.7s respectively. Calculate the mean period of oscillation of the pendulum

Which of the following statements is an advantage of nuclear fusion over nuclear fission

A ball bearing is projected vertically upward from the ground with a velocity of 15ms^-1. Calculate the time taken by the ball to return to the ground [g=10ms^-2]

An electric motor is a machine that converts

What change in velocity would be produced on a body of mass 4kg if a constant force of 16N acts on it for 2s?

In a domestic circuit, electrical appliances and lamps are arranged in parallel across the main so as to enable the

A loaded spring performs simple harmonic motion with an amplitude of 5cm, if the maximum acceleration of the load is 20cm^-2 calculate the angular frequency of the motion

When compared with water, mercury is preferred as a thermometric liquid because it

How far from a cliff should a boy stand in order to hear the echo of his clap 0.9s later (speed of sound in air = 330ms^-1)

A body dropped from a certain height above the ground level falls with uniform

Which of the following values on the absolute scale of temperature is the ice point?

A force acting on a body causes a change in the momentum of the body from 12kgms^-1 to 16kgms^-1 in 0.2s. Calculate the magnitude of the force

Which of the following statement is not a reason for using soft iron in making core of a transformer

The main function of the mouth piece of a telephone is that it converts sound energy to