A wire of resistance 4 ohm is stretched to twice its original length.
A wire of resistance 4 ohm is stretched to twice its original length. The resistance of stretched wire would be…
6 years ago
NEET2013
The resistances of the four arms P,Q,R and S in a Wheatstone’s bridge
The resistances of the four arms P,Q,R and S in a Wheatstone's bridge are 10Ω, 30Ω, 30Ωand 90Ω respectively. The…
6 years ago
When 4 A current flows for 2 min in an electroplating experiment,
When 4 A current flows for 2 min in an electroplating experiment, then m gram of silver is deposited. Then…
6 years ago
The half life of a radioactive isotope ‘X’ is 20 years. It decays to another element Y
The half life of a radioactive isotope 'X' is 20 years. It decays to another element 'Y' which is stable.…
6 years ago
The ratio of longest wavelength corresponding to Lyman and Blamer series
The ratio of longest wavelength corresponding to Lyman and Blamer series in hydrogen spectrum is Options (a) 3 / 23…
6 years ago
A certain mass of Hydrogen is changed to Helium by the process of fusion
A certain mass of Hydrogen is changed to Helium by the process of fusion. The mass defect in fusion reaction…
6 years ago
A coil of self-inductance L is connected in series with a bulb B and an AC source
A coil of self-inductance L is connected in series with a bulb B and an AC source. Brightness of the…
6 years ago
Ratio of longest wavelengths corresponding to Lyman and Balmer series in hydrogen
Ratio of longest wavelengths corresponding to Lyman and Balmer series in hydrogen spectrum is Options (a) (5/27) (b) (3/23) (c)…
6 years ago
A stone falls freely under gravity. It covers distances h1, h2 and h3 in the first 5 secs
A stone falls freely under gravity. It covers distances h1, h2 and h3 in the first 5 seconds,the next 5…
6 years ago
Select the wrong statement Anisogametes
Select the wrong statement Options (a) Anisogametes differ either in structure, function or behaviour (b) In omycetes female gamete is…
6 years ago