Which energy is produced shown in the diagram?

Which form of energy is converted into electrical energy in dry cells?

Fill in the blanks : There is ……………….. Flow of energy from sun to producers and then to consumers .

Sound is a form of energy for which

Make a list of the work that we do in our day - to - day life using energy. Which forms of energy do we use to do this work ? Discuss with your friends.

Which is most abundant protein in our body?

The part of internal ear responsible for hearing is

Questions based on paragraph : Sound is propagated in a material medium in the form of compression and rarefactions. One compression and one rarefaction together form one cycle of the sound wave. The number of cycles produced per second is called as frequency. A tuning fork is a two-pronged device which vibrates to produce sound when struck. The frequency of a tuning fork is decided by the dimensions of the prong and the material used for making the fork. When these sound waves reach ears of listener, his ear-drum vibrates. Accordingly specific signals are conveyed to the brain and the listener gets a sense of hearing sound. : Will our ear-drum vibrate with same frequency for all types of sound?

When heard independently, two sound waves produce sensation of 60 db and 55 db respectively. How much will the sensation be if those are sounded together, perfectly in phase?

Light is a form of energy which travels as ________.