Welcome to your February 4 - SCIENCE AND TECHNOLOGY

The maximum mass theoretically possible for a stable white dwarf star is
Consider the following statements.
According to Raman Effect

1. The wavelength of a scattered ray is different from that of the incident rays of light.
2. The colour of sea is due to reflection of scattered light from the sky.
3. Raman spectroscopy can be used to study vibrational mode of a molecule and not its rotational mode.

Choose the correct statement (s).
Which among the following state of matter could be observed in everyday life?
Which among the following are the reasons for occurence of drug resistance in microbial pathogens in India?1. Natural internal resistance process by microbe.
2. Overuse of antibiotic.
3. Poor hygiene.
4. Life style diseases.
Named after the Chinese god of moon which among the following space mission by Chinese National Space Administration is an unmanned lunar exploration mission?

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