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GCSE Physics Paper 1 Formulas

Total questions: 15

Worksheet time: 29mins

Name
Class
Date
1.

What is the formula for kinetic energy?

a)

KE=12mv2KE=\frac{1}{2}mv^2

b)

KE=2mv2KE=2mv^2

c)

KE=mv2KE=mv^2

d)

v=2KEmv=\frac{2KE}{m}

2.

What is the formula for gravitational potential energy?

a)

GPEm=gh\frac{GPE}{m}=\frac{g}{h}

b)

GPEmg=h\frac{GPE}{mg}=h

c)

GPEh=mg\frac{GPE}{h}=\frac{m}{g}

d)

GPEg=mgh\frac{GPE}{g}=mgh

3.

Which of these is not a formula for power?

a)

work done = power × timework\ done\ =\ power\ \times\ time

b)

power=work donetimepower=\frac{work\ done}{time}

c)

time=energypowertime=\frac{energy}{power}

d)

power × energy = timepower\ \times\ energy\ =\ time

4.

What is the efficiency of a kettle if it converts 2000 W of power into 400 W of useful thermal energy?

(a)  

5.

What is the current if 5400 C of charge pass through per hour?

(a)  

6.

What is the resistance of a resistor if it has a potential difference of 12 V across it when a current of 2 A flows?

(a)  

7.

Which of these is not a formula for power?

a)

P=IVP=IV

b)

P=I2RP=I^2R

c)

P=EtP=\frac{E}{t}

d)

P=V2RP=V^2R

8.

How much current needs to flow through a 5 ohm resistor to deliver 20 W of power?

(a)  

9.

What is the potential difference of a battery if it delivers 20 W of power with a current of 1.2 A?

(a)  

10.

A charge of 5 C passes through a potential difference of 5 V. How much energy was delivered?

(a)  

11.

How much energy in MJ is delivered by a 10 kW electric shower in 15 minutes?

(a)  

12.
a)

0.5 gcm30.5\ \frac{g}{cm^3}

b)

2.0 gcm32.0\ \frac{g}{cm^3}

c)

8.0 gcm38.0\ \frac{g}{cm^3}

d)

10 gcm310\ \frac{g}{cm^3}

13.

Which formula is not on the data sheet?

a)

pV=constant

b)

ΔE=mcΔθ\Delta E=mc\Delta\theta

c)

Ee=12ke2Ee=\frac{1}{2}ke^2

d)

Q=It

14.

How much energy is needed to melt 1 kg of ice? (latent heat of ice = 334 kJ/kg, specific heat capacity of ice=2 kJ/kg)

a)

2 kJ

b)

668 kJ

c)

0.5 kJ

d)

334 kJ

15.

How much energy is needed to heat 1 kg of ice from -10oC to become 1kg of water at 0oC

(latent heat of ice = 334 kJ/kg,

specific heat capacity of ice=2 kJ/kg)

a)

354 kJ

b)

314 kJ

c)

20 kJ

d)

334 kJ