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PGT Physics Mock Test By DVS. Learn To Converge Your Dreams with Durgam Vigyan Sansthana Institute. Subscribe me on Youtube

1. A body is thrown vertically upwards with initial velocity 9.8 m/s. If the value of acceleration due to gravity is 9.8 m/s^2 then:





2. A projectile covers the same horizontal distance when the initial angles of projection are:





3. A car covers the first half of the distance between two placed at 40 km/hr and other half at 60 km/hr:





4. A cylinder with a movable piston contains 3 moles of hydrogen at standard temperature and pressure. The walls of the cylinder are made of a heat insulator, and the piston is insulated by having a pile of sand on it. By what factor does the pressure of the gas increase if the gas is compressed to half its original volume





5. During an experiment, a signal from a spaceship reached the ground station in five minutes. What was the distance of the spaceship from the ground station? The signal travels at the speed of light, i.e. 3 X 10^8 m/s





6. When a small solid sphere is dropped in a viscous liquid, it finally acquires a uniform velocity which is called




7. A capacitor with air between its plates has a capacitance of 8 micro-F. Its capacitance on introducing a dielectric with dielectricconstant 6 between its plates (in uF), is:





8. The instrument used to measure optical rotation is known as:





9. At the peak of nuclear binding energy curve:





10. A tuning fork of frequency 260 Hz is vibrated with a sonometer wire and 5 beats are heard. If the tension in the wire is slightly increased, the beat frequency also increases. The original frequency of the sonometeris:





11. An adiabatic process is also known as:





12. Which one of the following is used as coolant or moderator in a nuclear reactor:




13. A water drop of radius and to the power 10^(-2) m is broken into 1000 equal droplets if the surface tension of water is 0.075 N/m the gain in surface energy will be:





14. Threshold wavelength for a metal is 3000 angstrom what is the kinetic energy of an electron is ejected from it by radiation of wavelength 1200 angstrom:





15. If 1.20 V potential difference must be applied to stop the fastest photoelectrons emitted by a Nickel surface under the action of ultraviolet light of wavelength 2000 angstrom calculate the work function of Nickel:





16. Planck's Radiation Law reduces to wien's law for





17. A rectangular glass plate of refractive index 1.5 is used the corresponding polarising angle will be:





18. the displacement current arises due to:





19. The radius of the orbit of a satellite is 16 times the radius of the orbit of a geostationary satellite, the period of the satellite is:





20. The streamline flow of an incompressible and non-viscous liquid is described by:





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