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Atmospheric gases like carbon dioxide, methane, nitrous oxide, water vapour, and Chlorofluorocarbons are capable of trapping the out-going infrared radiation from the earth. Here, Sulphur dioxide and Carbon monoxide are not Greenhouse gases.
The density of water is maximum at which temperature?
A device used for converting A.C. into D.C. is called –
A particle of mass m is placed in a potential V(x) = ax² + bx⁴. For small oscillations around equilibrium, its time period is:
The unit 'Weber' is associated with which of the following?
What is the angle between centripetal acceleration and tangential acceleration?
An athlete can jump farther by running before jumping due to which type of inertia?
In a spring-block system executing SHM, at displacement x= A/2, the ratio of kinetic to potential energy is:
A galvanometer coil has a resistance of 14 Ω and the metre shows full scale deflection for a current of 4 mA. How will you convert the metre into a vo...
Two capacitors of 6 µF and 3 µF are connected in series and a potential difference of 90 V is applied. The energy stored in the system is:
For CE-transistor amplifier, the audio signal voltage across the collected resistance of 3 k Ω is 3V. Assume the current amplification factor of the t...
