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Worksheets

IGCSE Physics equations

Total questions: 12

Worksheet time: 6mins

Name
Class
Date
1.

What is the correct equation for refractive index

a)

n = sinr / sini

b)

n = sini / sinr

c)

c = sini / sinr

d)

Sinc = sini / sinr

2.

What is the correct equation for acceleration

a)

a = (v - u) / t

b)

a = d / t

c)

a = f x m

3.

What is the correct equation linking force mass and acceleration

a)

F = ma

b)

m = Fa

c)

a = Fm

4.

What is the correct equation linking voltage current and resistance

a)

V = IR

b)

R = VI

c)

I = VR

5.

What is the correct equation linking charge current and time

a)

Q = It

b)

I = Qt

c)

t = QI

6.

What is the correct equation linking density mass and volume

a)

d = m / v

b)

d = m x v

c)

d = v / m

7.

What is the correct equation for gravitational potential energy

a)

m x g x h

b)

m x g / h

c)

m x h / g

8.

What is the correct equation for kinetic energy

a)

1/2 x m x v2

b)

m x v2

c)

1 / 2 x v x m2

9.

What is the correct equation linking speed of a wave frequency and wavelength

a)

v = f x λ\lambda

b)

v = f / λ\lambda

c)

v = λ\lambda / f

10.

What is the correct equation for basic pressure 

a)

p = F / A

b)

p =  F x A

c)

p = A / F

11.

How do you find the number of neutrons in an element

a)

Mass number - atomic number

b)

Atomic number - mass number

c)

Mass number / atomic number

12.

What is the correct equation for electrical power

a)

P = I x V

b)

P = V / I

c)

P = I / V