Physics-
General
Easy
Question
Infrared radiation is detected by
- spectrometer
- pyrometer
- nanometer
- photometer
The correct answer is: pyrometer
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A uniform but time varying magnetic field B (t) exists in a circular region of radius a is directed into the plane of the paper as shown. The magnitude of the induced electric field at point P at a distance r from the centre of the circular region.
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If a, b, c, d are inputs to a gate and x is its output, then, as per the following time graph, the gate is :
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The logic circuit shown below has the input waveforms ‘A’ and ‘B’ as shown. Pick out the correct out put waveform.
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Carbon, silicon and germanium have four valence electrons each. At room temperature which one of the following statements is most appropriate?
Carbon, silicon and germanium have four valence electrons each. At room temperature which one of the following statements is most appropriate?
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