A tutor is a person who provides individual or small group instruction to students in a specific subject or skill. Tutors can work with students of all ages ...

Yes, laptop computer emits several kinds of radiation but all of the radiation emitted by laptop is too low-frequency and too low-intensity to be harmful to ...

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A typical family in Delhi needs 10 kW of power supply. Direct solar energy is incident on the horizontal surface at an average rate of 200 W per square meter. ...