What is immaterial for an electric fuse wire
|
(a) Its specific resistance |
(b) Its radius |
|
(c) Its length |
(d) Current flowing through it |
What is immaterial for an electric fuse wire
|
(a) Its specific resistance |
(b) Its radius |
|
(c) Its length |
(d) Current flowing through it |
(c) Its length
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Nuclear fission was discovered by
|
(a) Auto Hahn and F. strassmann |
(b) Fermi |
|
(c) Bethe |
(d) Rutherford |
The work function of a metal is 4.2 eV, its threshold wavelength will be
|
(a) 4000 Å |
(b) 3500 Å |
(c) 2955 Å |
(d) 2500 Å |

A source emits light of wavelength 4700Å, 5400 Å and 6500 Å. The light passes through red glass before being tested by a spectrometer. Which wavelength is seen in the spectrum
|
(a) 6500 Å |
(b) 5400 Å |
(c) 4700 Å |
(d) All the above |
Which logic gate is represented by the following combination of logic gates
|
(a) OR |
(b) NAND |
(c) AND |
(d) NOR |