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1
Intensity of sound at a point is ____ its distance from the source.
2
Of the four locations mentioned below the highest inside temperature will be attained in the pressure cooker operated with the pressure valve open
3
Radio telescopes are better than optical telescopes because
4
Light Emitting Diodes (LED) is used in fancy electronic devices such as toys emit
5
Out of the following pairs, which one does not have identical dimension?
6
Mercury is commonly used as a thermometric fluid rather than water because
7
Optical fibre works on the
8
Light from the star, Alpha Centauri, which is nearest to the earth after the sun, reaches the earth in