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True or False – If False give the correct answer
Burning wood and coal causes pollution of air.
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______,______,______ are called green house gases.
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Why should not medicines be taken without consulting doctors?
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How many types of page orientation are there in Libre office Writer?
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Match the following:
| 1. | Length | 1. | ampere (A) |
| 2. | time | 2. | Kelvin (K) |
| 3. | Mass | 3. | meter (M) |
| 4. | Temperature | 4. | second (S) |
| 5. | Electric current | 5. | kilogram (K) |
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Distance travelled by a body in a given time ______.
Concept: undefined >> undefined
Which of the following is correct?
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The SI unit of displacement is ______.
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______ is the length of the actual path covered by a body.
Concept: undefined >> undefined
Distance is a ______ quantity.
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The displacement is zero when the initial and final positions are ______.
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Give one example where the displacement is zero but the distance travelled is not zero.
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Is displacement a scalar quantity?
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Give some examples for vector quantity.
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A body moves is a circle of radius ‘2R’ what is the distance covered and displacement of the body after 2 complete rounds?
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Write a note on the following:
Nautical mile
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Write a note on the following:
knot
Concept: undefined >> undefined
The graphite refill used is pencil is made of element called ______.
Concept: undefined >> undefined
The graphite refill used is pencil is made of element called ______.
Concept: undefined >> undefined
The smallest unit of an element is ______.
Concept: undefined >> undefined
