Subject :NSO Class : Class 8
The diagram shows a ray PQR travelling through a glass slab. Which option in the table gives the correct name for all three rays?
| P | Q | R | |
| A | Incident ray | Emergent ray | Refracted ray |
| B | Incident ray | Refracted ray | Emergent ray |
| C | Emergent ray | Incident ray | Refracted ray |
| D | Emergent ray | Refracted ray | Incident ray |
Ans 1:
Class : Class 7
Can someone pls explain ?
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Subject :NSO Class : Class 7
Post Your Answer
Subject :NSO Class : Class 4
Ans 1:
Class : Class 5
b
Ans 2: (Master Answer)
Class : Class 1
The correct answer is B
Ans 3:
Class : Class 4
Post Your Answer
Subject :NSO Class : Class 5
Ans 1:
Class : Class 6
Ans is C
Ans 2:
Class : Class 5
ans is c.
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Subject :NSO Class : Class 6
Ans 1:
Class : Class 6
Ans 2:
Class : Class 7
Larger solid particles are separated from smaller ones by sieving
Ans 3:
Class : Class 6
Mud and water can be separated by loading, sedimentation, decantation, AND filtration.So, answer should be B
Ans 4:
Class : Class 6
answer is Only
Ans 5:
Class : Class 6
answer should be d
Ans 6:
Class : Class 8
answer should be 'd'
Ans 7:
Class : Class 6
D
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Subject :NSO Class : Class 6
Ans 1:
Class : Class 6
translucent bcz the light is passing partially from the window
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Subject :NSO Class : Class 7
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Subject :NSO Class : Class 8
The bumpers and door handles of motor cars, taps etc. are coated with silvery layer of chromium because
(i) It does not easily get corroded.
(ii) It forms a hard layer which does not easily get scratched.
(iii) It tarnishes quickly.
(iv) It is cheap.
Which of the following options is correctly identifies true (T) or false (F)?
| (i) | (ii) | (iii) | (iv) | |
| A | F | F | T | T |
| B | T | T | F | F |
| C | F | T | F | T |
| D | T | T | F | T |
it is wrongshould be b
Ans 1:
Class : Class 5
chromium is expensive . so answer should be B
Ans 2:
Class : Class 8
chromium is not cheapif it is cheap then the whole material can be made of chromium, why do they electroplate it if its cheapoption D is wrong and option B is correct
Ans 3:
Class : Class 5
Ans 4:
Class : Class 8
It means that in place of electroplating the object with some other metal like silver ,it is cheaper to electroplate it with chromium
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Subject :NSO Class : Class 10
Ans 1:
Class : Class 5
The chicken was born first. Because the formation of egg shell relies upon a protein found only in the chicken's ovaries. Hope you found the answer to your question
Ans 2:
Class : Class 5
C.Both
Ans 3:
Class : Class 5
a
Ans 4:
Class : Class 4
bOTH
