Sick leave application to the headmaster || leave application || letter writing in English for exam

Write the important applications of emulsions.

What is emulsion? Write its applications.

Write down the gas equation applicable to real gases.

Write two applications of bad conductors of heat.

What is solar cell panel ? Write some of its applications ?

What are stem cells? Write two applications of stem cells in medical treatment

(i) Why the thin ozone layer on the top of the atmosphere is crucial for human survival ? Identify in which part of electromagnetic spectrum does this radiation belong and write an important application of this radiation. (ii) Why are infrared waves referred to as heat waves ? How are they produced ? What role do they play in maintaining earth.s warmth through the greenhouse effect ?