Question
Microwaves are ……………radio waves that are
within a frequency band of…………Solution
The correct answer is A
When a bottle of scent is kept open in a corner of a room its odour is felt in all parts of the room. This is clue to the phenomenon of –
What is the boiling point of water at sea level?
The substance which conducts current in the solid state is –
Which of the following constitutes a food chain ?
Study the given information.
Consider the force on a current carrying straight conductor in a magnetic field.
(i) It is perpendicular...
Who among the following developed the technology of under-ground nuclear explosion?
The breakdown of pyruvate to give carbon dioxide, water and energy takes place in
What is myopia?
A body is said to be in equilibrium when:
The Weight of an object on Earth is 600 N. What will be its weight on moon?