For a best result using temperature to achieve an accurate measurement, it is best to use
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2015
What is the magnitude of the couple which acts on a rotating circular disc of radius 2m, if a constant tangential force of 2N is responsible for the rotation.
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2015
Which of the following will increases the boiling point of water?I. Taking it to a high altitudeII. Dissolving a salt into itIII. Heating it in a sealed flaskIV. Increasing the rate of heat supply.
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2015
A platinum resistance thermometer wire has a resistance of 70hms at 0°Cand 7.5 Ohms at 100°C. Calculate the temperature of the wire when the resistance is 7.2 Ohms
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2015
The strength of an electromagnet increase with
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2015
A radioactive source emits X–rays of very short wavelength (10 -13m ) what is the frequently of these rays?
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2015
What is the S.I unit of relative density?
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2015
If a projectile has maximum range of 36m, find the speed of projection (Take g = 9.8m/s2)
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2015
Neutron were discovered by
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2015
The two liquids which are often used in thermometer on experiment basic is known as
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2015
Transformers are designed so that energy losses are reduced to a minimum. This is achieved through those process.I. Using a soft iron oreII. Laminating the iron core to reduce energy loses due to eddy currentIII. Designi…
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2015
Heat transfer by convection will take place is one the following substance.
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2015
The r.m.s value of a supply voltage is quoted at 200v. What is the approximate peak value of the voltage?
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2015
A good electric cell should have the following except
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2015
The dimension of universal gravitational constant is……….?
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2015
For a best result using temperature to achieve an accurate measurement, it is best to use
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2015
Which one of the following is a vector quantity?
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2015
The eyeball consists of a round tough white skin called
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2015
Which of the following option is right if an object fall freely to the ground?1. The total energy is Kinetic2. The ratio of potential energy to kinetic energy is constant3. The sum of potential and kinetic is constant
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2015
The net movement of solvent molecules from a region of high solvent potential to a region of lower solvent potential through a partially or semi permeable membrane is refer to as