Maharashtra State CET Entrance Exam for Engineering & Pharmacy 2016 Physics Paper
The amount of work done in increasing the voltage across the plates of capacitor from 5V to 10V is ‘W’. The work done in increasing it form 10V to 15V will be
(a) W
(b) 0.6 W
(c) 1.25 W
(d) 1.67 W
Resolving power of telescope increases when
(a) wavelength of light decreases
(b) wavelength of light increases
(c) focal length of eye-piece increases
(d) focal length of eye piece decreases
When open pipe is closed from one end then third overtone of closed pipe is higher in frequency by 150 Hz than second overtone of open pipe. The fundamental frequency of open end pipe will be
(a) 75 Hz
(b) 150 Hz
(c) 225 Hz
(d) 300 Hz
A disc of radius ‘R’ and thickness R/6 has moment of interia ‘I’ about an axis passing through its centre and perpendicular to its plane. Disc is melted and recast into a solid sphere. The moment of interita of a sphere about its diameter is
(a) 1/5
(b) 1/6
(c) 1/32
(d) 1/64
From Brewster’s law, except for polished metallic surfaces, the polarising angle
(a) depends on wavelength and is different from different colours
(b) independent of wavelength and is different for different colours
(c) independent of wavelength and is same for different colours
(d) depends on wavelength and is same for different colours
When an electron in Hydrogen atom revolves in stationary orbit, it
(a) does not radiate light though its velocity changes
(b) does not radiate light and velocity remains unchanged
(c) radiates light but its velocity is unchaged
(d) radiates light with the change of energy
A liquid drop having surface energy ‘E’is spread into 512 droplets of same size. The final surface energy of the droplets is
(a) 2E
(b) 4E
(c) 8E
(d) 12E
Let ‘M’ be the mass and ‘L’be the length of a thin uniform rod. In first case, axis of rotation is passing through centre and perpendicular to the length of the rod. In second case axis of rotation is passing through one end and perpendicular to the length of the rod. The ratio of radius of gyration in first case to second case is
(a) 1
(b) 1/2
(c) 1/4
(d) 1/.8
Angular speed of hour hand of a clock in degree per second is
(a) 1/30
(b) 1/60
(c) 1/120
(d) 1/720
The value of gravitational acceleration ‘g’ at a height ‘h’ above the earth’s surface is g/4 then (R=radius of earth)
(a) h = R
(b) h = R/2
(c) h = R/3
(d) h = R/4
A ray of light travelling thorugh rarer medium is incident at very small angle ‘i’ on glass slab and after refraction its velocity is reduced by 20%. The angle of deviation is
(a) i/8
(b) i/5
(c) i/2
(d) 4i/5
Which of the following quantity does NOT change ude to damping of oscillations?
(a) Angular frequency
(b) Time period
(c) Initial Phase
(d) Amplitude
If the end correction of an open pipe is 0.8 cm then the inner radius of that pipe will be
(a) (1/3) cm
(b) (2/3) cm
(c) (3/2) cm
(d) 0.2 cm
In Bohr’s theory of Hydrogen atom, the electron jumps from higher orbit ‘n’ to lower orbit ‘p’. The wavelength will be minimum for the transition
(a) n=5 to p=4
(b) n=4 to p=3
(c) n=3 to p=2
(d) n=2 to p=1
The LC parallel resonant circuit
(a) has a very high impedance
(b) has a very high current
(c) acts as resistance of very low value
(d) has zero impedance
A galvanometer of resistance 30 Ohm is connected to a battery of emf 2V with 1970 Ohm resistance in series. A full scale deflection of 20 divisions is obtained in the galvanometer. To reduce the deflection to 10 divisions, the resistance in series required is
(a) 4030 Ohms
(b) 4000 Ohms
(c) 3970 Ohms
(d) 2000 Ohms
For a gas R/Cv=0.4, where ‘R’ is the universal gas constant and ‘Cv’ is molar specific heat at constant volume. The gas is made up of molecules which are
(a) rigid diatomic
(b) monoatomic
(c) non rigid diatomic
(d) Polyatomic
In vertical circular motion, the ratio of kinetic energy of a particle at highest point to that at lowest point is
(a) 5
(b) 2
(c) 0.5
(d) 0.2
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