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Questions on Light

Q4.

(a) Rockets are used to summon help from lifeboat crews. A rocket was sent high into the air above a seaside town. It exploded with a loud bang and a bright flash of light. Lisa observed the alarm flare being sent up. Which statement is correct?

A: the bright flash of light was seen first

B: the loud bang was heard first

C: the flash of light was seen and the bang was heard at the same time

1 mark

Give a reason for your answer.

1 mark

(b) Some people were nearer to the rocket than Lisa. How did the sound seem to them?

A: It was quieter.

B: It was louder.

C: It was higher pitched.

D: It was lower pitched.

1 mark

Maximum 3 marks