The different colours of different stars are due to the variation of
1). temperature
2). pressure
3). density
4). radiation from them
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1. Which one of the following papers was edited by Gandhiji in South Africa?
2. Heat from the sun reaches earth by the process of
3. If an object is thrown upwards, what will be its velocity, when it reaches its maximum height?
4. Which among the following is not a dwarf planet?
5. Which of the following circuit elements is used to block DC in an electronic circuit
6. ?A digital signal possesses:
7. A solid needle placed horizontally on the surface of the water floats due to
8. Heat transfer by radiation mainly depends upon