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According to Reynolds, the critical velocity (vc) of a liquid flowing by a long narrow tube is
(a) Directly linked to the coefficient of viscosity of the liquid.
(b) Inversely linked to the density of the liquid and
(c) Inversely linked to the diameter
(D) of the tube.
where R is the Reynold number.
If R occurs among 2000 and 3000, the flow is not stable and can change from streamline flow to turbulent flow.
POSITIVE ACCELERATION: If velocity of a body is enhancing, then its acceleration is said to be positive. The direction of positive acceleration is similar as that of velocity.
Describe, with the help of a nuclear reaction in each of the following cases, how the neutron to proton ratio alters during (i) alpha-decay (ii) beta-decay?
what are electromagnetids
D- Ultrasonic wave Heating These waves are different from electromagnetic waves . It produces mechanical vibration inside tissue. It is the same as the sound waves but it has
Q What is Tyndal scattering? Tyndal scattering- When light passes throughout a colloidal solution its path is visible inside the solution. This is for the reason that the
how many pumps does the heart pumps
The SI unit of pressure is the: a) Torr b) Dyne per centimeter squared c) Atmosphere d) Pascal Ans: The SI unit of pressure is the Pascal.
Draw a circuit diagram of a common emitter amplifier by using n-p-n transistor. Show input and output voltages graphically. The current gain for common emitter amplifier is 59.
Linear circuit :- It can be described as one, whose parameters are constant i.e. they do not change with voltage or current.
Passing Lane A passing lane or overtaking lane is the lane on a multi-lane highway or motorway closest to the center of the road or the central reservation.
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