What is a material called if it lets light pass through it?

• Opaque

• Transparent

• Reflective

• Absorbent

Which of the following materials is transparent?

• Wood

• Frosted glass

• Clear glass

• Black paper

What type of glass transmits only some of the light that falls on it?

• Clear glass

• Coloured glass

• Frosted glass

• Opaque glass

What is a material called if it does not let any light pass through it?

• Transparent

• Translucent

• Opaque

• Reflective

Why can we see non-luminous objects?

• They emit their own light

• They reflect light from luminous objects

• They absorb all light

• They are transparent

Which type of objects are excellent absorbers of light?

• Shiny white objects

• Dull black coloured objects

• Transparent objects

• Reflective objects

Why does glass seem invisible?

• It reflects a lot of light

• It absorbs all light

• It does not reflect much light

• It is opaque

What are glass fibres used for?

• Reflecting light

• Absorbing light

• Transmitting light for internet and TV signals

• Blocking light

What happens to light when it hits a non-luminous object?

• It is absorbed

• It is transmitted

• It is reflected

• It disappears

Which of the following is true about coloured glass?

• It reflects all light

• It transmits only coloured light

• It absorbs all light

• It is opaque