Which is the SI unit of electrical power?

An object of mass 5 kg moves at 4 m/s. What is its momentum?

A box of mass 5 kg is lifted to a height of 3 m. Taking g = 10 N/kg, what
is the gain in gravitational potential energy?

A gas occupies 200 cm³ at 100 kPa. At constant temperature, what is
its volume at 50 kPa?

Two like magnetic poles brought together will:

A bimetallic strip works because the two metals have different:

A book rests on a table. Which is the Newton's-third-law reaction pair to
the weight of the book?

An alpha particle is composed of:

A wave has frequency 50 Hz and wavelength 4 m. What is its speed?

Which radiation is the most penetrating?

An object of mass 2.4 kg has a volume of 0.0008 m³. What is its density?

The smallest planet in our Solar System is:

A ball is thrown vertically upward with initial velocity 20 m/s. Taking g =
10 m/s² and ignoring air resistance, what is the maximum height reached?

Specific latent heat of fusion of ice is 334 kJ/kg. Energy needed to melt
0.5 kg of ice at 0 °C is:

What is the function of a fuse in a household circuit?

Which type of electromagnetic wave is used for satellite
communication?

An electric motor lifts a load doing 600 J of work in 30 s. The output
power is:

The nucleus of an atom contains:

A spring extends by 4 cm under a load of 8 N. What load is needed to
extend it by 7 cm (within its elastic limit)?

Which material can become magnetised?

What charge passes through a conductor when a current of 3 A flows
for 4 s?

The moment (turning effect) of a force about a pivot is calculated as

By which process does heat travel from the Sun to the Earth through
vacuum?

When an ideal gas is heated at constant volume, which quantity
increases?

Specific heat capacity of water is 4 200 J/(kg·°C). Energy to heat 2 kg
from 20 °C to 80 °C?

A 2 kg object moves at 4 m/s. What is its kinetic energy?

1. A car accelerates uniformly from rest to 20 m/s in 5 s. What is its
acceleration?

Which is the best thermal conductor?

An object will remain at rest or continue moving at constant velocity
unless acted on by:

Which of the following will float in water (density 1 000 kg/m³)

Which of the following is NOT a renewable energy source?

When U-235 absorbs a slow neutron, it usually undergoes:

Friction between two surfaces depends on:

A converging lens of focal length 10 cm forms an image of an object
placed 20 cm from it. The image distance is:

Which property of a sound wave determines its loudness?

The frequency of a wave is the number of:

An object moving in a circle at constant speed has:

Which logic gate produces output 1 only when both inputs are 1?

A 4 N force is applied at the end of a 0.5 m spanner, perpendicular to
its length. What is the moment about the bolt?

On the Moon (g = 1.6 N/kg), the weight of a 60 kg astronaut is
approximately:

Two 4 Ω resistors are connected in parallel. The combined resistance is:

According to the kinetic model, gas molecules:

A 6 Ω resistor is connected across a 12 V battery. The current is:

An image formed in a plane mirror is:

Which rule gives the direction of induced current in a wire moved
through a magnetic field?

On a distance–time graph, what does a horizontal line indicate?

The area under a velocity–time graph represents:

Two isotopes of the same element have the same:

An engine receives 800 J of energy and produces 200 J of useful work.
Its efficiency is:

A sound wave in air is a:

Which state of matter has a fixed volume but no fixed shape?

The time taken by Earth to complete one orbit around the Sun is
approximately:

Which force keeps planets in orbit around the Sun?

1 kWh in joules is:

The change in direction of a wave when it crosses from one medium to
another is:

A force of 250 N acts uniformly on an area of 0.5 m2 . What is the
pressure?

The pressure at depth h in a liquid of density ρ is given by:

Which colour of visible light has the highest frequency?

Two trolleys, A (2 kg, moving at 3 m/s) and B (1 kg, at rest), collide and
stick together. What is their common velocity after collision?

A 100 W light bulb left on for 5 hours uses how much energy in kWh?

When light travels from air into glass, its speed:

Which statement about evaporation is FALSE?

A constant force of 10 N acts on an object of mass 2 kg. What is the
resulting acceleration?

A transformer changes 240 V to 1 200 V. It is:

A radioactive source has half-life 5 days. From an initial 80 g, what
mass remains after 15 days?

Two 6 Ω resistors are connected in series. The total resistance is:

Our Sun is classified as a: