Official Entrance Archive
55 Solved Questions
CCS HAU Physics (भौतिक विज्ञान) Solved Questions
Explore all verified entrance examination questions in card view. Click "Solve & Solution" on any card to view the complete solution, KaTeX rationale, and interactive answer testing.
4-Yr B.Sc
Q.1
MCQ
0.5M
Physics • General & Modern Physics (HAU PYQ)
While walking on smooth surface one should take small steps to ensure...
4-Yr B.Sc
Q.2
MCQ
0.5M
Physics • General & Modern Physics (HAU PYQ)
What happens to a vehicle travelling in an unbanked curved path if the friction between the road and tires sud...
4-Yr B.Sc
Q.3
MCQ
0.5M
Physics • General & Modern Physics (HAU PYQ)
A ball of mass 0.2 kg strikes an obstacle and moves at 60 0 to its initial direction. If its speed changes fro...
4-Yr B.Sc
Q.4
MCQ
0.5M
Physics • General & Modern Physics (HAU PYQ)
A spacecraft of mass 2000kg moving with 600 m/s suddenly explodes into two pieces. One piece of mass 500 kg is...
4-Yr B.Sc
Q.5
MCQ
0.5M
Physics • General & Modern Physics (HAU PYQ)
140 N...
4-Yr B.Sc
Q.6
MCQ
0.5M
Physics • General & Modern Physics (HAU PYQ)
A man of mass 40 kg is at rest between the walls. If coeff. of friction between man and wall is 0.8, find the ...
4-Yr B.Sc
Q.7
MCQ
0.5M
Physics • General & Modern Physics (HAU PYQ)
h Find minimum height in terms of D to complete the loop...
4-Yr B.Sc
Q.8
MCQ
0.5M
Physics • General & Modern Physics (HAU PYQ)
Gravitational force between two bodies is F. The space around the mass is now filled with a liquid of specific...
4-Yr B.Sc
Q.9
MCQ
0.5M
Physics • General & Modern Physics (HAU PYQ)
A man weighs 75 kg on the surface of earth. His weight on the geostationary satellite is...
4-Yr B.Sc
Q.10
MCQ
0.5M
Physics • General & Modern Physics (HAU PYQ)
g at a depth of 1600 km inside the earth in m/s/s is...
4-Yr B.Sc
Q.11
MCQ
0.5M
Physics • General & Modern Physics (HAU PYQ)
A block of mass 19 M is suspended by a string of length 1m. A bullet of mass M hits it and gets embedded in it...
4-Yr B.Sc
Q.12
MCQ
0.5M
Physics • General & Modern Physics (HAU PYQ)
A rubber ball falls from a height of 4m and rebounds to 1.5m. The % loss of energy during the impact is...
4-Yr B.Sc
Q.13
MCQ
0.5M
Physics • General & Modern Physics (HAU PYQ)
25 kg of sand is deposited each second on a conveyor belt moving at 10m/s. The extra power required to maintai...
4-Yr B.Sc
Q.14
MCQ
0.5M
Physics • General & Modern Physics (HAU PYQ)
A uniform rod of mass M and length L standing vertically on a horizontal floor falls without slipping at the b...
4-Yr B.Sc
Q.15
MCQ
0.5M
Physics • General & Modern Physics (HAU PYQ)
If the velocity of C.M of a rolling body is V, then velocity of highest point in the body will be...
4-Yr B.Sc
Q.16
MCQ
0.5M
Physics • General & Modern Physics (HAU PYQ)
The angular momentum of two rotating bodies are equal. If the ratio of their M.I is 1:4, the ratio of their ro...
4-Yr B.Sc
Q.17
MCQ
0.5M
Physics • General & Modern Physics (HAU PYQ)
The level of water in a tank is 5m. A hole 1 cm 2 is made at the bottom. The rate of leakage in m3 /s is (take...
4-Yr B.Sc
Q.18
MCQ
0.5M
Physics • General & Modern Physics (HAU PYQ)
Two blocks A and B float in water. A floats with 1/4 th of its volume immersed and B floats with 3/5th of its ...
4-Yr B.Sc
Q.19
MCQ
0.5M
Physics • General & Modern Physics (HAU PYQ)
The terminal velocity of a spherical ball of lead of radius R is Vwhile falling through a viscous liquid varie...
4-Yr B.Sc
Q.20
MCQ
0.5M
Physics • General & Modern Physics (HAU PYQ)
A hydraulic press uses a piston of 100 cm 2to exert a force of 107dynes on water. The area of the other piston...
4-Yr B.Sc
Q.21
MCQ
0.5M
Physics • General & Modern Physics (HAU PYQ)
When kerosene and coconut oil of coeff. of viscosity 0.002 and 0.0154 Ns/m 2 are followed through the same pip...
4-Yr B.Sc
Q.22
MCQ
0.5M
Physics • General & Modern Physics (HAU PYQ)
There is a circular hole in metal plate. When the plate is heated the radius of the hole becomes...
4-Yr B.Sc
Q.23
MCQ
0.5M
Physics • General & Modern Physics (HAU PYQ)
Specific heat of a substance depends on 1. Nature of substance. 2. Mass of substance. 3. Heat given to substan...
4-Yr B.Sc
Q.24
MCQ
0.5M
Physics • General & Modern Physics (HAU PYQ)
In a give process dW=0, dq is <0 then for a gas...
4-Yr B.Sc
Q.25
MCQ
0.5M
Physics • General & Modern Physics (HAU PYQ)
The efficiency of carnot engine depends on...
4-Yr B.Sc
Q.26
MCQ
0.5M
Physics • General & Modern Physics (HAU PYQ)
A 200 turn coil of self inductance 30 mH carries a current of 5 mA. Find the magnetic flux linked with each tu...
4-Yr B.Sc
Q.27
MCQ
0.5M
Physics • General & Modern Physics (HAU PYQ)
The instantaneous value of current in an AC circuit is I = 2 sin (100 π t + π/3) A. At what first time the cur...
4-Yr B.Sc
Q.28
MCQ
0.5M
Physics • General & Modern Physics (HAU PYQ)
What in electric system represents force in mechanical system ?...
4-Yr B.Sc
Q.29
MCQ
0.5M
Physics • General & Modern Physics (HAU PYQ)
A capacitor of 1 µF is charged with 0.01C of electricity. How much energy is stored in it?...
4-Yr B.Sc
Q.30
MCQ
0.5M
Physics • General & Modern Physics (HAU PYQ)
An electromagnetic wave is travelling in vacuum with a speed of 3 x 10 8 m/s. Find the velocity in a medium ha...
4-Yr B.Sc
Q.31
MCQ
0.5M
Physics • General & Modern Physics (HAU PYQ)
Trace the path of ray of light passing through a glass prism as shown in the figure. If the refractive index o...
4-Yr B.Sc
Q.32
MCQ
0.5M
Physics • General & Modern Physics (HAU PYQ)
Light wave from two coherent sources of intensities in ratio 64:1 produces interference. Calculate the ration ...
4-Yr B.Sc
Q.33
MCQ
0.5M
Physics • General & Modern Physics (HAU PYQ)
In young’s experiment, the width of the fringes obtained with light of wavelength 6000 A o is 2 mm. What will ...
4-Yr B.Sc
Q.34
MCQ
0.5M
Physics • General & Modern Physics (HAU PYQ)
Unpolarised light is incident on plane glass surface. What should be the angle of incidence in degrees, so tha...
4-Yr B.Sc
Q.35
MCQ
0.5M
Physics • General & Modern Physics (HAU PYQ)
Determine the de-Broglie wavelength associated with an electron, accelerated through a potential difference of...
4-Yr B.Sc
Q.36
MCQ
0.5M
Physics • General & Modern Physics (HAU PYQ)
A particle with rest mass m 0 is moving with velocity c. What is the de-Broglie wavelength associated with it?...
4-Yr B.Sc
Q.37
MCQ
0.5M
Physics • General & Modern Physics (HAU PYQ)
Which among the following series gives visible light?...
4-Yr B.Sc
Q.38
MCQ
0.5M
Physics • General & Modern Physics (HAU PYQ)
Identify the logic operation performed by this circuit A B...
4-Yr B.Sc
Q.39
MCQ
0.5M
Physics • General & Modern Physics (HAU PYQ)
The number of silicon atoms per m 3 is 5 x 1028. This is doped simultaneously with 5 x 1022 atoms per m3 of ar...
4-Yr B.Sc
Q.40
MCQ
0.5M
Physics • General & Modern Physics (HAU PYQ)
Two charges +5 µC and -5µC are placed 5 mm apart. Determine E at a point 10 cm from centre on the positive cha...
4-Yr B.Sc
Q.41
MCQ
0.5M
Physics • General & Modern Physics (HAU PYQ)
If the Gaussian surface is so chosen that there are some charges inside and some outside than the electric fie...
4-Yr B.Sc
Q.42
MCQ
0.5M
Physics • General & Modern Physics (HAU PYQ)
The following is a diagram showing the variation of E with r from centre of uniformly charge spherical shell o...
4-Yr B.Sc
Q.43
MCQ
0.5M
Physics • General & Modern Physics (HAU PYQ)
Net capacitance of 3 identical capacitor in series is 1 µF.What is the net capacitance in µF if connected in p...
4-Yr B.Sc
Q.44
MCQ
0.5M
Physics • General & Modern Physics (HAU PYQ)
An inductor of 5H carries a steady current of 2A. In what time if the current is made zero can a 40V self indu...
4-Yr B.Sc
Q.45
MCQ
0.5M
Physics • General & Modern Physics (HAU PYQ)
A cell of emf E and internal resistance r gives 0.5A with R=12 ohms and 0.25 with R = 25 ohms. Its internal re...
4-Yr B.Sc
Q.46
MCQ
0.5M
Physics • General & Modern Physics (HAU PYQ)
Find current in the following circuit...
4-Yr B.Sc
Q.47
MCQ
0.5M
Physics • General & Modern Physics (HAU PYQ)
Two identical circular loops P and Q of radius r are placed in parallel planes with same axis at a distance of...
4-Yr B.Sc
Q.48
MCQ
0.5M
Physics • General & Modern Physics (HAU PYQ)
A block of mass 4 kg is kept on a rough horizontal surface. The coefficient of static friction is 0.8. If a fo...
4-Yr B.Sc
Q.49
MCQ
0.5M
Physics • General & Modern Physics (HAU PYQ)
Current in a circuit falls steadily from 2A to 0A in 10 ms. Calculate L if emf induced is 200V....
4-Yr B.Sc
Q.50
MCQ
0.5M
Physics • General & Modern Physics (HAU PYQ)
Self inductance of the air core inductor increases from 0.01 mH to 10 mH on introducing an iron core. What is ...
4-Yr B.Sc
Q.51
MCQ
0.5M
Physics • Mechanics - Projectile Motion
A projectile is thrown with an initial velocity u at an angle θ with the horizontal. At the highest point of i...
4-Yr B.Sc
Q.52
MCQ
0.5M
Physics • Thermodynamics - Heat Engine
In an adiabatic expansion of an ideal gas, which of the following remains constant?...
4-Yr B.Sc
Q.53
MCQ
0.5M
Physics • Optics - Wave Optics
In Young's Double Slit Experiment, if the distance between the two slits (d) is halved and the distance betwee...
4-Yr B.Sc
Q.54
MCQ
0.5M
Physics • Electrostatics - Gauss Law
The electric field inside a uniformly charged conducting spherical shell of radius R is:...
4-Yr B.Sc
Q.55
MCQ
0.5M
Physics • Modern Physics - Nuclear
A radioactive isotope has a half-life of 20 days. After 60 days, what fraction of the original sample remains ...