1st assessment IGCSE Waves P2

Question is given on the image.

Which diagram shows how a converging lens is used as a magnifying glass?

Which diagram correctly shows a ray of light reflected by a plane mirror?

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A girl notices when she shouts into cave she hears an echo.Which wave property causes the echo?

Which row shows the natures of light waves, sound waves and X-rays?

Which is a unit of wavelength?

Radiation from which electromagnetic spectrum is used in remote controller for a television?

Question is given on the image

Question is given on the image.

Which part of the electromagnetic spectrum is used to send TV signals from satellite to Earth?

Question is given on the image. (Calculator required)

Question is given on the image.

Which range of frequencies includes only sounds that can be heard by human with normal hearing?

Question is on the image

question is given on the image

Question is given on the image

Question is given on the image

Speed of sound in air is 340m/s. Which row is correct for speed of sound in liquid & in solid?

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Question is on the image

Which property of a sound wave affects the loudness of the sound?

Question is given on the image

Question is given on the image

Question is given on the image