kaithabjeetsingh@gmail.com
from
the shri ram school aravali, Gurgaon
Subject :NSO Class : Class 7
The diagram shows four similar cans. Each can
contains the same volume of water initially at
80°C. After five minutes, which can will contain
the coolest water ?
A
B
C
D
Ans 4:
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Arnav Raj Sharma
from
GEMS International School the ultra master mega, Gurgaon
Class : Class 7
why not A
Ans 9:
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Rucha Patil
from
Podar International School, Aurangabad C.B.S.E, Aurangabad
Class : Class 8
Please Explain why is the answer (B)
Ans 10:
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Sargah Surya
from
bgsnps, Bengaluru
Class : Class 4
how is the answerB. according to my science text book ( New science ahead class 7, pg.47), Black not only absorbs heat fast,but also radiates heat fast and cools down faster, accordingto that,answermust be A.
Ans 11: (Master Answer)
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Prathamesh Raje
from
DPS Electronic City, Bangalore
Class : Class 9
I agree with you Anushree because the same thing is given in our science textbook also
Ans 17:
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GAUTHAM GOPINATH
from
BPDAV School, HYDERABAD
Class : Class 10
I think that the answer is A.Could someone explain why it is B?
Ans 21:
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Sargah Surya
from
bgsnps, Bengaluru
Class : Class 4
Black radiates and absorbs heat faster. Confirmation is their in almost all science tb and google too. So answer must be A. WHY NOT A