MEDIUM
7th CBSE
IMPORTANT
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'Funny mirrors' make you look short, long, thin, fat or distorted. What causes the images of these funny mirrors to be distorted? 

Important Questions on Light

MEDIUM
7th CBSE
IMPORTANT
WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 4 - Light>EVALUATE>Q 2

Observe the given ray diagram. Is the given diagram correct? Give a reason.

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MEDIUM
7th CBSE
IMPORTANT
WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 4 - Light>EVALUATE>Q 3
White sunlight is not dispersed in air. Why?
MEDIUM
7th CBSE
IMPORTANT
WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 4 - Light>EVALUATE>Q 4
In an experiment, different coloured light was shown on to some aquatic plants separately and the rate of production of oxygen was measured. Which coloured light will produce the lowest rate of production of oxygen? Explain your answer.
MEDIUM
7th CBSE
IMPORTANT
WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 4 - Light>EVALUATE>Q 5

What is the colour of a white object when the following coloured lights shine on it?

 Red

MEDIUM
7th CBSE
IMPORTANT
WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 4 - Light>EVALUATE>Q 5

What is the colour of a white object when the following coloured lights shine on it?

Blue

MEDIUM
7th CBSE
IMPORTANT
WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 4 - Light>EVALUATE>Q 5

What is the colour of a white object when the following coloured lights shine on it?

Green

MEDIUM
7th CBSE
IMPORTANT
WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 4 - Light>EVALUATE>Q 5

What is the colour of a white object when the following coloured lights shine on it?

A mixture of red, blue and green

MEDIUM
7th CBSE
IMPORTANT
WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 4 - Light>EVALUATE>Q 6
The driver of car X sees a car Y behind him from his rear-view mirror. If the registration number of car Y is HR 26 DK 9354, write down the registration number of car Y, as seen by the driver of car X in his rear-view mirror.