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Question 1
In CGS system, density of liquid measures 0.625 g cm-3. What is the magnitude in SI system?
Question 2
is the orbital speed of satellite revolving around the Earth, If the satellite stops suddenly then find the speed at which it will strike the surface of Earth .
( escape velocity of a particle on earth’s surface)
Question 3
A body is projected upwards with a velocity of 3 11.2 km s-1 from the surface of earth. What will be the velocity of the body when it escapes from the gravitational pull of earth?
Question 4
The Young’s modulus of a wire is denoted by Y and if the energy per unit volume is given as E, then the strain measures will be
Question 5
Strain E is produced in an electric wire after applying the force. If Young’s modulus is given as Y for the wire. Find the energy stored per unit volume of wire.
Question 6
A sealed container with negligible coefficient of volumetric expansion contains helium (a monatomic gas). When it is getting heated from temperature 300 k to 600 k then the average KE of helium atoms will be is
Question 7
The minimum intensity of sound is zero at a point due to two sources of nearly frequencies when
Question 8
An electron is projected along uniform velocity along the axis of a current carrying long solenoid. Which of the following is true?
Question 9
A coil having 500 square loops each of side 10 cm is placed normal to a magnetic flux which increases at the rate of 1.0 Ts-1. The induced emf in volts is
Question 10
Choose the false statement with respect to the properties of electromagnetic waves?
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CDS & DefencePhysicsOct 17CDS & Defence