Which of the following is not a part of model rocket?
See more
2024
A sonometer's fundamental note is 50Hz, what is the new frequency when the tension is four times the original?
See more
2024
288KJ is conducted across two opposite faces of a 3m cube of temperature gradient 90ºCm\(^{-1}\) in 7200s. Calculate the thermal conductivity.
See more
2024
If a sheet of an insulating material is inserted between the plates of an air capacitor, the capacitance will
See more
2024
The moon's acceleration due to gravity is \(\frac{1}{6}\) of the earth's value. The weight of a bowling ball on the moon would be
See more
2024
The dimension of young's modulus,E is given by
See more
2024
A rectifier is a device that changes
See more
2024
In a solar panel, solar beam is concentrated by using
See more
2024
A wheelbarrow inclined at 60º to the horizontal is pushed with a force of 150N. What is the horizontal component of the applied force
See more
2024
Electrolysis can be investigated using
See more
2024
If the S.V.P of water vapour was 13.5mmHg at 33ºC and 7.3mmHg at 7ºC. Find the percentage relative of the air on a day when average air temperature was 33ºC and dew point was 7ºC.
See more
2024
5 X 10\(^{-3}\)kg of liquid at its boiling point is evaporated in 20s by the heat generated by a resistor of 2\(\Omega\) when a current of 10A is used. The specific latent heat of vaporization of the liquid is
See more
2024
The value of R required to make the galvanometer measure voltage up to 40V in the diagram above
See more
2024
A solid cube of aluminum is 1.5cm on each edge. The density of aluminum is 2700kgm\(^{-1}\). Find the mass of the cube.
See more
2024
A light ray passing from air into water at an angle of 30º from the normal in air would
See more
2024
Pilots uses aneroid barometer to know the height above sea level because
See more
2024
When a charged ebonite rod is brought near a charged glass rod, there will be
See more
2024
Which of the following operates based on magnetic effect of electric current?