NAT IIP Physical Science Physics Preparation Online Test for Pakistani Students

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Hifzafatima 30 - Dec - 2018 00 Min 16 Sec 15/15
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maria 12 - Jan - 2019 02 Min 24 Sec 11/15
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maryam 10 - Feb - 2019 05 Min 21 Sec 11/15
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Fahad 15 - Mar - 2019 00 Min 15 Sec 10/15
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M.umais 18 - Jul - 2021 02 Min 58 Sec 8/15
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Muhammad Mujahid 11 - Jan - 2019 03 Min 06 Sec 8/15
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Muhammad Ali 19 - Aug - 2021 04 Min 28 Sec 8/15
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maleaha mansoor 04 - Nov - 2022 01 Min 05 Sec 7/15
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Hajra 01 - Dec - 2018 03 Min 05 Sec 7/15
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Lolo Polo 22 - Jul - 2022 03 Min 06 Sec 7/15

NAT-II Physics Chapter 0 Important MCQ's

Sr.#	Question	Answer
1	As the electron in Bohr orbit of hydrogen atom passes from stat n = 2 to n = 1, the kinetic energy K and potential energy U change as	A. K two fold, U also two fold B. K four fold, U also four fold C. K four fold, U two fold D. K two fold, U four fold
2	Huygen's wave theory of light cannot explain	A. Diffraction B. Interference C. Polarization D. Photoelectric effect
3	Which quantity is increased in step-down transformer?	A. Current B. Voltage C. Power D. Frequency
4	At a certain instant a stationary transverse wave is found to have maximum kinetic energy. The appearance of string of that instant is:	A. Sinusoidal shape with amplitude A/3 B. Sinusoidal shape with amplitude A/2 C. Sinusoidal shape with amplitude A D. Straight line
5	If 2.2 kilowatt power is transmitted through a 10 ohm line at 22000 volt, the power loss in the form of heat will be	A. 0.1 watt B. 1 watt C. 10 watt D. 100 watt
6	An ideal choked (used along with fluorescent tube) would be	A. A pure resistor B. A pure capacitor C. A pure inductor D. A combination of an inductor and a capacitor
7	In Young's experiment, two coherent sources are placed 0.90 mm apart and the fringes are observed one metre away. If its produces the second dark fringe at a distance of 1 mm from the central fringe, the wavelength of monochromatic light used would be	A. 60 x 10^-4cm B. 10 x 10^-4cm C. 10 x 10^-5cm D. 6 x 10^-5cm
8	When a hydrogen atom is bombarded, the atom is excited to the n = 4 state of hydrogen atom. The energy released when the atom falls from n = 4 state to the ground state is	A. 1.275 eV B. 12.75 eV C. 5 eV D. 8 eV
9	In which of the following states does the incandescent substance give continuous spectrum?	A. Vapours in atomic state B. Vapours in molecular state C. Solid or fluid in bulk state D. Solid or fluid in plasma state
10	Which one of the following phenomena is not explained by Huygen's construction of wavefront?	A. Refraction B. Reflection C. Diffraction D. Origin of spectra

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MCQ's Test For NAT II Physical Science Physics

NAT II Physical Science Physics

In Which case does the potential energy decreases?

The unit of inductance is equivalent to

A (100 W, 200 V) bulb is connected to a 160 V power supply. The power consumption would be

The half-life of a radio-isotope is 5 years. The fraction of atoms decayed in this substance after 15 years will be

Mechanical waves on the surfaces of a liquid are

The excess (equal in number) of electrons that must be placed on each of two small spheres spaced 3 cm apart, with force of repulsion between the spheres to be 10-19N, is

As the electron in Bohr orbit of hydrogen atom passes from stat n = 2 to n = 1, the kinetic energy K and potential energy U change as

If the dot product of two non-zero vectors vanishes, the vectors will be

A wire of radius r has resistance R, It it is stretched to a wire of r/2 radius, then the resistance becomes

In a simple harmonic motion (SHM), which of the following does not hold?

With the propagation of a longitudinal wave through a material medium, the quantities transmitted in the propagation direction are

If the earth were to rotate faster, than its present speed the weight of an object will

All of the following statements are correct except

Which of the following particles would experience the largest magnetic force when projected with the same velocity perpendicular to a magnetic field?

The mass defect for the nucleus of helium is 0.0303 a.m.u. What is the binding energy per nucleon for helium in MeV?

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Set 13

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Top Scorers Of NAT II Physical Science Physics MCQ`s Test

NAT-II Physics Chapter 0 Important MCQ's

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Khalid Khan

The excess (equal in number) of electrons that must be placed on each of two small spheres spaced 3 cm apart, with force of repulsion between the spheres to be 10^-19N, is