Daily Quiz 19 General Science Physics for Railway ALP/Group D Exam 2018
General Science Physics,Chemistry & Biology MCQ and Answers for Railway ALP & Group D Exams. These quiz objective questions are helpful for competitive exams SSC, UPSC, IAS, IPS, CDS, NDA, Railways or RRB etc.
1.A passenger standing In a bus is thrown outward when
the bus takes a sudden turn happens due to
(a)Outward pull on him
(b)Inertia of motion
(c)Change in momentum
(d)Change in acceleration
2.When pressure is increased the melting point of ice
(a)increases
(b)does not change
(c)decreases
(d)depends on the impurities in the ice
3.Longitudinal waves cannot travel through
(a)Vacuum
(b)Solid
(c)Liquid
(d)Gas
4.Electrostatic precipitator is used to control the pollution
of
(a)air
(b)water
(c)noise
(d)thermal
5.The sky appears blue because of
(a)Atmospheric water vapour
(b)Scattering of light
(c)Reflection on sea water
(d)Emission of blue wavelength by the sun
6.Dynamo is a device for converting
(a)Heat energy into electrical energy
(b)Mechanical energy into electrical energy
(c)Magnetic energy into electrical energy
(d)Chemical energy Into electrical energy
7.Oil rises up the wick in a lamp because
(a)Oil is very light
(b)Of the diffusion of oil through the wick
(c)Of the surface tension phenomenon
(d)Of the capillary action phenomenon
8.In the atmosphere ultraviolet rays are absorbed by
(a) Oxygen
(b) Nitrogen
(c) Ozone
(d) Helium
9.An electron microscope gives higher magnification than
an optical microscope because:
(a)it uses more powerful lenses
(b)the velocity of electron is smaller than that of visible
light
(c)the electrons have more energy than the light
particles
(d) the wavelength of elections is smaller as compared
to the wavelength of visible light
10.For a body moving with no uniform velocity and
uniform acceleration
(a)(X) Displacement Time graph is linear.
(b) Displacement Time graphic is nonlinear
(c)Velocity Time graph is nonlinear
(d)Velocity Time graph is linear
Answer
1 b 2 c 3 a 4 a 5 b 6 b 7 d 8 a 9 d 10 b
