Paper 1 Revision Recall Quiz 1

If the resultant force on a moving object is

zero, the object will...

• slow down and eventually stop.

• keep moving at a steady speed.

• accelerate and speed up.

Which type of current is supplied by a

battery?

• Alternating current

• Direct current

Why does increasing the volume in which a gas is contained at a constant temperature cause the pressure to decrease?

• The particles hit the wall of the container with less force.

• The particles hit the walls of the container less often.

• The particles hit the walls of the container at a slower speed.

A cannon uses explosives to launch a ball into the air.

Which is an unwanted energy transfer that occurs when the cannon is fired?

• Chemical energy store of explosives ~ Kinetic energy store of ball

• Chemical energy store of explosives ~ Gravitational potential energy store

  of ball

• Chemical energy store of explosives ~ Thermal energy store of ball

True or False?

"Gamma rays are more strongly ionising than alpha particles."

• True

• False

Which of the following is not formed after a supernova?

• A neutron star

• A black hole

• A brown dwarf

An X-ray travels at 3.0 x 10⁸ m/s and has a frequency of 3 x 10¹⁷ Hz.

What is the wavelength of the X-ray?

• 1 X 10^-9 m

• 1 x 10²⁵ m

• 1 X 10⁷ m

• 1 x 10^-22 m

In which of the following situations will a voltage not be induced in the conductor?

• The strength of the magnetic field

  passing through the conductor is decreasing.

• The magnetic field passing through the stationary conductor is steady.

• The conductor is moving with a constant speed through a steady magnetic field.

A speaker is connected to a 2 V battery.

How much energy is transferred to the speaker when 80 C of charge passed through it?

• 40 J

• 82 J

• 160 J

• 80 J

A ray passes from air into glass which has a refractive index of 1. 5.

The angle of refraction is 35°.

If the angle of incidence is i, which of the following is true?

• sin i = 0.38

• sin i = 0.86

• sin i = 2.6