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Shomili from Global Indian International School, Singapore
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:

Dheeraj Thriyambak M from Sri Sankara Senior Secondary School Adyar, Chennai
Class : Class 6
Report error

Ans 2:

Shweta Garg from Vibgyor high, Vadodara
Class : Class 8

Ans 3:

Pratheek from Null, Null
Class : Class 4
The answer must be A. We have performed this experiment at our school.

Ans 4:

Shweta Garg from Vibgyor high, Vadodara
Class : Class 8
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 5:

Dheeraj Thriyambak M from Sri Sankara Senior Secondary School Adyar, Chennai
Class : Class 6
Answer is A probably we should complain

Ans 6:

Anav Jain from DPS , Delhi
Class : Class 3
answer is A . I checked with a torch.

Ans 7:

Bhavtosh Tripathi from Maneckji Cooper Education Trust School, Mumbai
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 8:

Deeptajit Roy from Gems Modern Academy, Dubai
Class : Class 10
answer is A. i just checked this with my lamp

Ans 9:

sujata patel from Podar International, Pune
Class : Class 6
aaaaaaaaaaaaaaaaaaaaa

Ans 10:

Deeptajit Roy from Gems Modern Academy, Dubai
Class : Class 10
the answer is A, the shadow is sharp or perfect in shape when close to a screen

Ans 11:

Shreyan from San, Pune
Class : Class 6
A

Ans 12:

Can I get Rank 35 darryl from Global Indian international school, Brawl stars
Class : Class 8

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