Subject :NSO Class : Class 6
Subject :NSO Class : Class 9
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Subject :NSO Class : Class 6
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Subject :NSO Class : Class 4
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Subject :NSO Class : Class 3
P is the state of matter that changes into state Q on cooling and changes into state R on heating. Select the option that correctly identifies the character of P, Q and R.
| P | Q | R | |
| A | Has no fixed volume | Has fixed shape | Has fixed shape |
| B | Has fixed volume | Has no fixed volume | Has no fixed shape |
| C | Has fixed shape | Has no fixed volume | Has no fixed shape |
| D | Has no fixed shape | Has fixed volume | Has no fixed volume |
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Subject :NSO Class : Class 5
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Subject :NSO Class : Class 7
Ans 2:
Class : Class 8
They have not mentioned whether the pendulum is in perpetual motion(Infinitely oscillates without stopping). Therefore, shouldn't the pendulum eventually stop swinging after a while due to resistance? As the amplitude decreases, the period decreases as it travels less. Therefore, I think the answer should be C.
Ans 4:
Class : Class 7
As it is not mentioned whether any specific environment was prepared, assuming it was set in normal environment, the bob's oscillation speed will decrease and time period will thus increase due to air resistance. So shouldn't it be option B?
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Subject :NSO Class : Class 3
, Bajra
, Moong, Rajma
, Sugarcane, Potato, Ginger
, Coriander, Methi, SugarcanePost Your Answer
Subject :NSO Class : Class 5
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Subject :NSO Class : Class 8
