Sunil Batra Solutions for Chapter: Work and Energy, Exercise 8: VALUE-BASED QUESTIONS
Sunil Batra Physics Solutions for Exercise - Sunil Batra Solutions for Chapter: Work and Energy, Exercise 8: VALUE-BASED QUESTIONS
Attempt the practice questions on Chapter 5: Work and Energy, Exercise 8: VALUE-BASED QUESTIONS with hints and solutions to strengthen your understanding. Modern's abc+ Of Science - Physics For Class IX solutions are prepared by Experienced Embibe Experts.
Questions from Sunil Batra Solutions for Chapter: Work and Energy, Exercise 8: VALUE-BASED QUESTIONS with Hints & Solutions
Devender was going to buy a tungsten filament bulb. His son Raghav told not to buy that bulb. He suggested to buy a CFL which consumes much less power than the tungsten filament bulb. Divya also joined teh discussion and requested her dad to buy a LED bulb which did not create pollution as created by CFL and had much greater life span than CFL.
Answer the following question:
What is power?
Devender was going to buy a tungsten filament bulb. His son Raghav told not to buy that bulb. He suggested to buy a CFL which consumes much less power than the tungsten filament bulb. Divya also joined the discussion and requested her dad to buy a LED bulb which did not create pollution as created by CFL and had much greater life span than CFL.
Answer the following question:
Why tungsten filament bulb consumes more power?
Ramesh, son of a wealthy farmer and a student of Class IX lived in a small village. One day he went on an educational trip where he saw solar cell panels used for street light. When he returned from the trip, he shared this information with his father and requested him to install a solar panel to light the backyard of their house as it could save electricity bill.
Name the energy transformation taking place in a solar cell panel.
Ramesh, son of a wealthy farmer and a student of Class IX, lived in a small village. One day he went on an educational trip where he saw solar cell panels used for street light. When he returned from the trip, he shared this information with his father and requested him to install a solar panel to light the backyard of their house as it could save electricity bill.
What type of material is used for making solar cell panel.
