Theory

Mixed Circuits

(a) Fig. 9.1 shows a cell of electromotive force (e.m.f.) 1.5V and a battery of e.m.f. 6.0V connected in series. Calculate the combined e.m.f. of t...

2021 Winter

MCQ

CH1 - MEASUREMENTS AND UNITS

The diagram shows a stone of irregular shape. Which property of the stone can be found by lowering it into a measuring cylinder half-filled with water...

2021 Summer

MCQ

CH2 - FORCES AND MOTION

Which row describes speed and velocity? [Table_1]

2021 Summer

MCQ

CH2 - FORCES AND MOTION

Four balls with different masses are dropped from the heights shown. Air resistance may be ignored.Which ball has the smallest average speed?

2021 Summer

MCQ

CH2 - FORCES AND MOTION

An object of mass 2.0 kg is taken from the Earth, where the gravitational field strength is 10 N/kg, to the Moon, where the gravitational field streng...

2021 Summer

MCQ

CH1 - MEASUREMENTS AND UNITS

The mass of an empty flask is 34 g. The volume of liquid added to the flask is $20 \ \text{cm}^3$.The total mass of the flask and the liquid is 50 g.W...

2021 Summer

MCQ

CH2 - FORCES AND MOTION

The extension–load graph for a spring is shown. The unstretched length of the spring is 17.0 cm. When an object is suspended from the spring, the l...

2021 Summer

MCQ

CH2 - FORCES AND MOTION

A cart has a mass of 10 kg. A boy pushes on the cart horizontally with a force of 50 N. The cart accelerates at 0.50 m/s^2.What is the frictional forc...

2021 Summer

MCQ

CH2 - FORCES AND MOTION

A ball has a mass of 2.0 kg. The ball approaches a wall at a speed of 3.0 m/s and rebounds at a speed of 1.0 m/s. What is the impulse on the wall?

2021 Summer

MCQ

CH4 - FORCES AND ENERGY

Which situation involves no work being done and no energy being transferred?

2021 Summer

MCQ

CH4 - FORCES AND ENERGY

A student suggests that there are several ways of transferring energy to a small, stationary block of iron on a smooth table. He makes the following s...

2021 Summer