Subject :NSO Class : Class 8
Study the table carefully and select the appropriate option.
Subject :NSO Class : Class 8
Ans 1:
Class : Class 10
I think friction is taken as one and normal force tooif we are in apparent contact with one surface then friction is onebut the actual contact is at many places so we can't say it as many frictional forces.
Ans 2:
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Subject :NSO Class : Class 8
There are three tins filled with water and have holes of the same size as shown
in figure. Which of the following options correctly identifies true (T) and false (F) ones?
(i) The farthest spout is from the middle hole in case (a).
(ii) The stream of water falls out the farthest through the upper hole in case (b).
(iii) The farthest spout is from the lowest hole in case (c).
| (i) | (ii) | (iii) | |
| A | T | T | T |
| B | F | T | T |
| C | F | F | T |
| D | F | F | F |
option c is correct
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Subject :NSO Class : Class 3
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Subject :NSO Class : Class 3
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Subject :NSO Class : Class 10
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Subject :NSO Class : Class 4
Two life cycles are represented here.
Now, select the correct option regarding them.
| X | Y | |
| A | Cockroach | Butterfly |
| B | Housefly | Silkworm |
| C | Frog | Cockroach |
| D | Butterfly | Frog |
frog has four stages.. hence c should be the answer
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Subject :NSO Class : Class 4
Match column I with column II and select the correct option from the codes given below.
| Column I | Column II | ||
|---|---|---|---|
| a. | Inclined plane | (i) | Bottle opener |
| b. | Wheel and axle | (ii) | Ramp |
| c. | Lever | (iii) | Jar lid |
| d. | Screw | (iv) | Screwdriver |
| e. | Wedge | (v) | Fork |
| a | b | c | d | e | |
|---|---|---|---|---|---|
| A | (iii) | (ii) | (iv) | (v) | (i) |
| B | (i) | (iii) | (v) | (iv) | (ii) |
| C | (iv) | (v) | (iii) | (ii) | (i) |
| D | (ii) | (iv) | (i) | (iii) | (v) |
the correct answer is d
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Subject :NSO Class : Class 10
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Subject :NSO Class : Class 9