Look there! See finely those craftsman are carving the stones using a chisel and hammer? Can you see the stone dust in the air? Do you think this stone dust would harm them in the same way?
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Suppose you are in a dark room. Can you see objects in the room? Can you see objects outside the room? Explain.
We can see any object, when light reflected by that object reaches our eyes. But in the dark room, no light is reflected by the object so we are unable...
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The bulk modulus and tbe density of water are greater than those of air. With this much of information, we can say that velocity of sound in air
(d) cannot be compared with its value in water. EXPLANATION: The velocity of sound in a fluid is given as V =√(B/ρ) where B is the bulk modulus and ρ is the...
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You are on a mountain. How do you feel there? What can you see? What do you feel like doing there?
I feel very excited to climb up on a mountain. I can see high mountains all around. In between these are deep valleys. There are also many trees all around...
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Look carefully at the picture of the beautiful carving on the wall. What kind of tools would have been used for such fine carving.
Chisel and hammer made up of iron would have been used for such fine carving.
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Have you ever gone to see an old monument? Which was that? Did you feel it told you a story? What could you know about these time form it?
Yes, once I went to Agra to see Taj Mahal. I felt as if it was telling the story of its time. We could know about the culture, art, sculptures...
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To play this you will need a small stone, a bigger stone, a thick roll of paper (which can be made by with layers of paper),
When the small stone (mouse) whirls, it create a force due to which the bigger stone (elephant) is pulled up.
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At night look at the sky carefully for 5 minutes. What could you see?
I could see the moon, stars etc.
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See how the earth is looking. Can you see the surface of the moon? Do you have some questions after looking at this picture?
The earth is looking spherical in shape. Yes, I can see the surface of the moon. The following questions arise in my mind after looking at this picture: (i) Who look...
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Examine the following statements: 1. None but the rich can afford air-travel. 2. Some of those who travel by air become sick.
(d) All those who travel by air are rich.
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In the Harappan buildings mostly burnt bricks were used, not stones, because (a) Without iron tools stone-cutting was difficult
(d) Stone was not readily available
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