Questions

A wooden block of mass m1 kg accelerates at m/s when a force of 5 N acts on it. Another block of mass m2 kg accelerates at 20 m/s when the same force acts on it. If both the blocks are tied together and the same force acts on their combination, the acceleration will be about

An example of longitudinal waves (in gas as a medium) is ______.

A sound wave has a frequency of 4 kHz and a wavelength of 40 cm. The time taken by the sound wave to travel a distance of 3.2 km is

If the resistance of a conductor is reduced to half its initial value, then the heating effect in the conductor will become ___.

Which State government has launched the Smart Village Programme, to improve public facilities in village?

______________ scheme launched by the Central Government aims to spur social, economic and infrastructure development in rural areas by developing a cluster of 300 Smart Villages.

According to Malthusian theory of population

If the name of a tribe has to be excluded from the list of Scheduled Tribe, who has the power for such exclusion?