Dioptre is used to measure?
Dioptre is used to measure?
A. optical power
B. luminous intensity
C. power
D. distance of heavenly bodies
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Which planet is losing its atmosphere at faster than the earth?A. Mecury
B. Venus
C. Mars
D. JupiterLead ball falls through water more slowly than through air because __________?
Lead ball falls through water more slowly than through air because __________?A. The value of ‘g’ is less in water
B. Density of air is less than that of water
C. Of the viscous force in water
D. Of The surface tension of waterVitamins were discovered by__________?
Vitamins were discovered by__________?A. Moesley
B. Chadwick
C. Frank Whittle
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The Beta particles are fast moving___________?
The Beta particles are fast moving___________?
A. Protons
B. Electrons
C. Neutrons
D. NoneWhich of the following explains the reason why there is no total eclipse of the sun?
Which of the following explains the reason why there is no total eclipse of the sun?
A. Size of the earth in relation to that of moon
B. Orbit of moon around earth
C. Direction of rotation of earth around sun
D. Area of the sun covered by the moon
E. None of theseThe main function of kidney is____________?
The main function of kidney is____________?
A. to control blood pressure
B. to control body temperature
C. to remove waste from blood
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