GCSE Combined Science Physics 2

Question 1

What is the specific heat capacity equation?

Accepted Answer

E = m × c × θ (change in temperature)

Answer

E = mc²

Answer

E = ½mv²

Answer

E = P × t

Question 2

In a transformer, what determines the ratio of input to output voltage?

Accepted Answer

The ratio of turns on the primary and secondary coils

Answer

The length of the wire

Answer

The thickness of the iron core

Answer

The frequency of the supply

Question 3

What type of nuclear radiation is stopped by a thin sheet of paper?

Accepted Answer

Alpha particles

Answer

Beta particles

Answer

Gamma rays

Answer

Neutrons

Question 4

What is the relationship between the wavelength and frequency of a wave?

Accepted Answer

As wavelength increases, frequency decreases

Answer

They are unrelated

Answer

As wavelength increases, frequency increases

Answer

Both always remain constant

Question 5

What is the resultant force on an object moving at constant velocity?

Accepted Answer

Zero

Answer

Equal to its weight

Answer

Equal to the driving force

Answer

Increasing

Question 6

Which energy store is associated with a moving object?

Accepted Answer

Kinetic energy store

Answer

Gravitational potential energy store

Answer

Thermal energy store

Answer

Elastic potential energy store