SI unit of Illumination is ________?
SI unit of Illumination is ________?
A. Candela
B. Flux
C. Lux
D. None of these
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Transistor is a device that convert weak signal into__________?
Transistor is a device that convert weak signal into__________?A. small signal
B. strong signal
C. both
D. noneEndothermic reactions are those in which ________.
Endothermic reactions are those in which ________.A. Heat is evolved
B. Heat is absorbed
C. Temperature increases
D. Light is producedWhich of the following type of Coal, has maximum carbon content?
Which of the following type of Coal, has maximum carbon content?A. Peat
B. Lignite
C. Anthracite
D. BituminiousAnimal with the sharpest hearing ability?
Animal with the sharpest hearing ability?A. Rat
B. Greater wax moth
C. Bat
D. SquirrelThe human ear can hear up to 20k hertz. While the Greater Wax Moth has the most extreme sense of hearing that can reach up to 300,000 kilohertz. These moth’s have evolved ultrasound-sensitive ears as a direct response to avoiding bats, their largest predator.
Most of the ozone in the atmosphere is concentrated in the____________?
Most of the ozone in the atmosphere is concentrated in the____________?A. Mesosphere
B. Troposphere
C. Stratosphere
D. IonospherepH value of water is _________?
pH value of water is _________?A. 5
B. 5-6
C. 8.7-10.5
D. 6.5-8.5