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PSEB-LIGHT-EXERCISE
- State the laws of reflection.
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- Describe an activity to show that the incident ray , the reflected ray...
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- Fill in the blanks : A person 1m in front of a plane mirror seems to...
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- Fill in the blanks : If you touch your …………….. Ear with right hand i...
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- Fill in the blanks : The size of the pupil become …………….when you see ...
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- Fill in the blanks : Night birds have …………….cons than rods in their ...
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- Angle of incidence is equal to the angle of reflection.
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- Image formed by a plane mirror is :-
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- Describe the construction of a kaleidoscope.
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- Draw a labelled sketch of the human eye.
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- Gurmit wanted to perform activity 16.8 using a laser torch . Her teach...
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- Explain how can you take care of your eyes .
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- What is the angle of incidence of a ray if the reflected ray is at an ...
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- How many images of a candle will be formed if it is placed between two...
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- Two mirrors meet at right angles . A ray of light is incident on one a...
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- Boojho stands at A just on the side of a plane mirror as shown in the ...
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- Find out the position of the image of an object situated at A in the p...
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- Can Paheli at B see this image ?
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- Can Boojho at C see this image ?
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- When Paheli moves from B to C ,where does the image of A move ?
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