Lux is a unit of __________?
A. Luminous Flux B. Illumination C. Luminous Intensity D. Focus
A. Luminous Flux B. Illumination C. Luminous Intensity D. Focus
A. Substance B. Length C. torque D. Work The newton-metre (also newton metre or newton meter; symbol N⋅m or N m) is a unit of torque (also called moment) in the SI system. One newton-metre is equal to the torque resulting from a force of one newton applied perpendicularly to the end of a moment … Read more
A. Radioactivity B. Quantity of Heat C. Work or Energy D. Power
A. 38% Nitrogen B. 58% Nitrogen C. 78% Nitrogen D. None of these
A. 11% Oxygen approximately B. 21% Oxygen approximately C. 31% Oxygen approximately D. None of these
A. 0.03 to 0.04% CO2 B. 0.3 to 0.4% CO2 C. 3 to 4% CO2 D. None of these
A. 28 B. 30 C. 32 D. None of these Neptune is 30 astronomical units away from the Sun. One astronomical unit (abbreviated as AU), is the distance from the Sun to Earth.
A. Virus B. Fungi C. Bacteria D. None
A. 92% B. 93% C. 94% D. 95%
A. Hanging Garden B. Light House C. Wall of China D. A Squire