Home
Class 11
PHYSICS
Water falling from a 50m high fall is to...

Water falling from a `50m` high fall is to be used for generating electric energy. If `8xx10^5kg` in water falls per hour and half the gravitational potential energy can be converted into electric energy, how many `100W` lamps can be lit?

Text Solution

AI Generated Solution

To solve the problem step by step, we will follow the given information and apply the relevant formulas. ### Step 1: Calculate the gravitational potential energy (PE) of the falling water. The formula for gravitational potential energy is given by: \[ PE = m \cdot g \cdot h ...
Promotional Banner

Topper's Solved these Questions

  • WORK, POWER & ENERGY

    CENGAGE PHYSICS|Exercise Subjective|23 Videos
  • WORK, POWER & ENERGY

    CENGAGE PHYSICS|Exercise Single Correct|100 Videos
  • WORK, POWER & ENERGY

    CENGAGE PHYSICS|Exercise Exercise 8.4|16 Videos
  • VECTORS

    CENGAGE PHYSICS|Exercise Exercise Multiple Correct|5 Videos

Similar Questions

Explore conceptually related problems

Water falling from a 50m high fall is to be used for generating electric power. If 1.8xx10^(5)kg of water falls per hour and half the gravitational potential energy can be converted into electric energy, how many 100 watt lamps can be lit ?

In generation of hydroelectric power, water falls from some height and gravitational potential energy of water is converted into electric power with the help of turbine. In one such event, 7.2xx10^4kg of water falls per hour from height 100m and half of the gravitational potential energy is converted into electric energy. How much power is generated?

A dam is used to block the passage of a river and to generate electricity. Approximately 5.73xx10^(4) kg of water fall each second through a height of 19.6 m. If one half of the gravitational potential energy of the water were converted to electrical energy, how much power would be generated ?

Answer true or false. Falling water can be used to produce electrical energy.

Water falls on the ground from 42 m height. It half of loss is potential energy converts into heat, then increase in temperature of water is

A water fall is 84 m high. Assuming that half the kinetic energy of falling water get converted to heat, the rise in temperature of water is

(a) Explain how tidal energy can be used to generate electricity. (b) Why is tidal energy not likely to be a potential source of energy ?