A) lens |
B) mirror |
C) combinations of lenses |
D) None of the above |
C) combinations of lenses |
1). Identify the vector quantity from the following
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2). Sound of frequency below 20 Hz is called
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3). RADAR is used for
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4). Materials for rain-proof coats and tents owe their water-proof properties to
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5). Point A is at a lower electrical potential than point B. An electron between them on the line joining them will
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6). On a rainy day, small oil films on water show brilliant colours. This is due to
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7). Lux is the SI unit of
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8). Rectifiers are used to convert
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9). Pick out the scalar quantity
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10). If two bodies of different masses, initially at rest, are acted upon by the same force for the same time, then the both bodies acquire the same
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