Michael Alexander
from
St. Thomas Public School, Thiruvanthapuram
Subject :NSO Class : Class 5
The object X is made up of two materials 1 and 2.When the light is shone on it, it casts a shadow on
screen as shown in the picture.
Identify materials 1 and 2 of which object X is made.
Material 1 | Material 2 | |
A | Aluminium foil | Thermocol |
B | Cardboard | Clear plastic sheet |
C | Clear cellophane paper | Styrofoam |
D | Thermocol | Cardboard |
is answer B correct?
Ans 1:
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Ishir Jha
from
Gyan Ganga Global Academy, Rosera
Class : Class 8
It explains c is the correct ans but on the front it says b. Someone please correct this. They cut my marks also.
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Mohul Gandhi
from
Podar International School, Powai, Mumbai
Class : Class 8
ans should be c!!! I am reporting an error
Ans 5:
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Samyaraj Chowdhury
from
DPS Ruby Park, Kolkata, Kolkata
Class : Class 8
The answer should be C. But answer is given B which is impossible.
Ans 6:
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ishaani vats
from
shriram school, gurgaon
Class : Class 5
I could not find any logic in this answer. Can anyone explain it? THANS FOR READING!!!
Ans 9:
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Pratham Dave
from
GNS, Bangalore
Class : Class 7
In the solutions it is showing C as correct option but in front It is showing B as the answer to this question. please correct the answer.
Ans 10:
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RIDHASEN PRIYASEN SHAH
from
The Rajkumar College, Rajkot, Rajkot
Class : Class 4
The solution itself explains that c is the correct ans. So that means m2 is opaque and m1 is transparent. Please someone correct this ans
Ans 11:
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Ishaan Ahuja
from
TSMS, Noida
Class : Class 6
cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc
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Ans 17:
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samanvay sinha
from
School of India, Bangalore, bengaluru
Class : Class 5
There must be a technical issue because when I read the solution, it was written that the correct answer is C.
Ans 18:
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Sunishka Khatri
from
Global Indian International School, Pune
Class : Class 5
The guys who solved the paper and created this test was in hurry. So he did not take efforts to review his answers, hence many answers are wrong here. How will students trust on these guys?
Ans 19:
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ARCHISHA SIKDAR
from
CHOITHRAM MANIKBAG, INDORE
Class : Class 8
ANSWER WILL BE 'C ' CAUSE THROUGH TRANSPARENT MATERIAL WE CANNOT SEE SHADOW OF A THING BUT THROUGH OPAQUE MATERIAL WE CAN SEE A THING'S SHADOW
Ans 20:
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Pragun goel
from
Venkateshwar International School, Delhi
Class : Class 8
the answer is c 'cause material 1 is transparent and material 2 is opaque. The solution also says c. Typing error. Thanks for reading
Ans 22:
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Jishnu Dutta
from
St. Stephen's School, Kolkata
Class : Class 9
Ans is c as you see light can't pass through material 2 and can pass through material 1. According to SOF ans b which mean light can pass through cardboard and can't through clear pastic sheet!!!!!. Please correct this SOF or it can be a typing mistake. Thanks for reading.
Ans 23:
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Tanvi
from
hh, delhi
Class : Class 5
CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC
Ans 24:
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Srija Das
from
Sent Joseph Convent Chandannagar, Serampore
Class : Class 9
CORRECT ANSWER SHOULD BE C
Ans 25:
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Bhavya Agrawal
from
Cambridge Court High School , JAIPUR
Class : Class 8
WHY YOU TYPE SO MANY C Ishaan
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Ans 28:
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P A Reyyansh
from
Ann Mary School, Dehradun
Class : Class 9
IF SOF CAN EXPLAIN THIS CORRECTLY, THEN I WILL STOP DOING PRACTICE OF ANY OLYMPIAD
Ans 29:
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Devina kashyap
from
TPS, Mumbai
Class : Class 4
and should be C and i did C cut now it is showing that i have done B!!