What is measured by cusec?
(A) flow of water
(B) depth of water
(C) Quantity of water
(D) Purity of water
What is the force due to which the body is pulled towards the center of the earth?
(A) mass
(B) impulsive force
(C) Gravity
(D) momentum
Everything is pulled towards center of the Earth because of the force of gravity. Gravity is an invisible pull which attracts the objects towards the center of a planet.
Archimedes' law is related to which of the following?
(A) Law of Gravity
(B) Law of right angled triangle
(C) Law of Flotation
(D) none of these
Which of the following liquid has the lowest density?
(A) Mercury
(B) Petrol
(C) clean water
(D) salty water
Bernoulli's theorem is based on?
(A) on energy conservation
(B) on conservation of momentum
(C) on conservation of charge
(D) none of these
What is the normal temperature of the human body?
(A) 65 degrees
(B) 95 degree
(C) 98.6°F
(D) 99 degrees
Normal body temperature is considered to be 37°C (98.6°F); however, a wide variation is seen. Among normal individuals, mean daily temperature can differ by 0.5°C (0.9°F), and daily variations can be as much as 0.25 to 0.5°C.
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