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Subject :NSO    Class : Class 6

A small cardboard is kept between the wall and the bulb in a room. At which position the shadow formed is sharp?

A The cardboard is held close to the wall.
B The cardboard is held at mid position between them.
C The cardboard is held close to the bulb.
D Both a and c

The answer isCBut I think it should be A.I actually tried it and it was was the sharpest when held close to the wall.

Ans 1:

Class : Class 6
Report error

Ans 2:

Class : Class 5
answer is A . I checked with a torch.

Ans 3:

Class : Class 6

Ans 4:

Class : Class 9
The answer should be A.When the object is close to the bulb more light will be diffracted so the image will not be sharp.I have performed this at a lab.

Ans 5:

Class : Class 3

Ans 6:

Class : Class 8
The answer must be A. We have performed this experiment at our school.

Ans 7:

Class : Class 8

Ans 8:

Class : Class 6

Ans 9:

Class : Class 3
the questions below please give her an appointment on Wednesday morning or Sunday or Friday or Thursday or Wednesday or Tuesday or Monday or Saturday afternoon to be more difficult times that he doesn't say they can't have enough

Ans 10:

Class : Class 8
the answer is A, the shadow is sharp or perfect in shape when close to a screen

Ans 11:

Class : Class 8
answer is A. i just checked this with my lamp

Ans 12:

Class : Class 6
Answer is A probably we should complain

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