A) concave and convex |
B) convex and concave |
C) both concave of different focal lengths |
D) both convex of different focal lengths |
A) concave and convex |
1). Tungsten is used for the construction of filament in electric bulb because of its
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2). Inactive Nitrogen and Argon gases are usually used in electric bulbs in order to
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3). In the phenomenon of dispersion of light, the light wave of shortest wavelength is
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4). An oscilloscope is an instrument which allows us to see waves produced by .
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5). The distribution of electrons into different orbits of an atom, as suggested by Bohr, is
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6). Carbon or Graphite rods are used in atomic reactors as moderators for sustained nuclear chain reaction through nuclear fission process. In this process
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7). The distance time graph for an object is shown above. Which one of the following statements holds true for this object?
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8). For a harmonic oscillator, the graph between momentum p and displacement q would come out as
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9). Which one among the following is the generic name of the causal organism of Elephantiasis?
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10). Which one among the following statement is not correct?
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