Candela is the unit of_________________?By on 0A. Luminous intensity B. Heat producing value C. Thermodynamic temperature D. Radioactive decay
Second highest layer of Earth’s atmosphere is known as?By on 0A. Stratosphere B. Mesosphere C. Troposphere D. Thermosphere
When the Big Bang explosion was occurred?By on 0A. 10 Billion years ago B. 15 Billion years ago C. 20 Billion years ago D. 25 Billion years ago
The total energy of revolving electron in an atom_____________?By on 0A. Will always be positive B. Can never be positive C. Can have any value above zero D. Cannot be negative
The speed of light with the rise in the temperature of the medium____________?By on 0A. Decrease B. Increase C. Remain the same D. First decrease then increase