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

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)?

The frequency of a wave is the number of:

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

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

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

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

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

Which force keeps planets in orbit around the Sun?

Which colour of visible light has the highest frequency?

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

A bimetallic strip works because the two metals have different:

Which is the best thermal conductor?

According to the kinetic model, gas molecules:

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?

Which type of electromagnetic wave is used for satellite
communication?

1 kWh in joules is:

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

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

An object moving in a circle at constant speed has:

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

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

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

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?

Which is the SI unit of electrical power?

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

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

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

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

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

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

The nucleus of an atom contains:

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

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

A sound wave in air is a:

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

Which radiation is the most penetrating?

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

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

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

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?

When light travels from air into glass, its speed:

Which of the following is NOT a renewable energy source?

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

Which statement about evaporation is FALSE?

An alpha particle is composed of:

Friction between two surfaces depends on:

Which property of a sound wave determines its loudness?

Our Sun is classified as a:

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

Which material can become magnetised?

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

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

The area under a velocity–time graph represents:

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

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

Two isotopes of the same element have the same:

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

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

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

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

The smallest planet in our Solar System is:

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

An image formed in a plane mirror is:

Two like magnetic poles brought together will:

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