Hi students, Welcome to Amans Maths Blogs (AMBIPi). Are you preparing for SSC Scientific Assistant and looking for SSC Scientific Assistant IMD Physics Questions 21 to 40 with Answer Keys AMBIPi? In this article, you will get previous year questions of SSC Scientific Assistant IMD (Indian Meteorological Department), which helps you in the preparation of government job of SSC IMD Scientific assistant.
SSC Scientific Assistant IMD Previous Year Questions
SSC Scientific Assistant Physics Question No: 21
By what percent should the pressure of gas should increased so as to decrease its volume by 20%, at constant temperature?
Option A : 20%
Option B : 60%
Option C : 25%
Option D : 40%
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Option C : 25%
SSC Scientific Assistant Physics Question No: 22
Electric potential at a point with a position vector r due to a point charge Q placed at the origin is given by the formula ________.
Option A : V = Q/(2πεor2)
Option B : V = Q/(4πεor2)
Option C : V = Q/(4πεor)
Option D : V = Q/(2πεor)
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Option C : V = Q/(2πεor2)
SSC Scientific Assistant Previous Year Physics Questions No: 23
Fermi is a unit of ?
Option A : Length
Option B : Mass
Option C : Area
Option D : Time
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Option A : Length
SSC Scientific Assistant IMD Physics Questions No: 24
Find the uniform angular acceleration of a wheel if its angular speed increases from 420 rpm to 660 rpm is 8 seconds?
Option A : 2π rad/s2
Option B : 1 rad/s2
Option C : π rad/s2
Option D : 2 rad/s2
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Option C : π rad/s2
SSC Scientific Assistant Physics Questions Paper No: 25
For a transistor in common emitter configuration ______ is ratio of change in base- emitter voltage (ΔVBE) to the resulting change in base current (ΔIB) at constant collector-emitter voltage (VCE).
Option A : Output resistance
Option B : Current amplification factor
Option C : Voltage gain
Option D : Input resistance
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Option D : Input resistance
SSC Scientific Assistant Previous Year Paper Physics Questions No: 26
For small deformations, stress and strain are proportional to each other. What is this known as ?
Option A : Hooke’s Law
Option B : Gauss’a Law
Option C : Henry’s Law
Option D : Joule’s Law
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Option A : Hooke’s Law
SSC Scientific Assistant Previous Year Paper Physics Questions No: 27
How much heat (in joules) would be required to raise the temperature of 500 g of an aluminum sphere from 20oC to 720 oC? [Specific Heat Capacity of Aluminum is 900 J/(Kgk)]
Option A : 3.15 x 105
Option B : 3.15 x 107
Option C : 1.26 x 105
Option D : 1.26 x 107
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Option A : 3.15 x 105
Scientific Assistant Previous Year Physics Questions Paper No: 28
If 1, 2 and 3 represent different mediums and ‘n’ is refractive index, than which of the following equation is true.
Option A : n23 = n31 x n12
Option B : n32 = n31 x n12
Option C : n32 = n13 x n12
Option D : n23 = n13 x n12
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Option A : n32 = n31 x n12
IMD Scientific Assistant Physics Questions Paper No: 29
What is the name of the outermost range of the Himalayas?
Option A : Himadri
Option B : Shivaliks
Option C : Himachal
Option D : Sahyadri
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Option B : Shivaliks
Previous Year SSC Scientific Assistant Physics Questions: 30
If ‘A’ is the angle of prism, ‘I’ is the angle of incidence, ‘e’ is an angle of emergence, than the angle of deviation ‘α’ of the light incidence of prism is equal to
Option A : RA/I
Option B : RI/A
Option C : IA/R
Option D : A/(IR)
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Option A : RA/I
SSC IMD Scientific Assistant Physics Questions No: 31
If a projectile is thrown with velocity v and makes an angle θ with the x-axis than the time taken for achieving maximum height is given by which formula?
Option A : t= vsinθ/g
Option B : t= v2sinθ/g
Option C : t= v2sin2θ/g
Option D : t = vsin2θ/g
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Option D :t = vsin2θ/g
SSC IMD Scientific Assistant Physics Questions No: 32
If an object is placed with a 10 cm in front of convex lens of a focal length 6 cm, than find the position of the image (in cm) ?
Option A : 12
Option B : -15
Option C : 15
Option D : -12
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Option B : 15
SSC Scientific Assistant IMD Previous Year Physics Questions No: 33
If chlorine has two isotopes one of 25u and the other 37 u and the average mass of chlorine atom is 35.5 u then the ratio of abundance of the two isotopes of masses 35 u and 37 u ______
Option A : 1/3
Option B : 1/4
Option C : 3/1
Option D : 4/1
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Option C : 3/1
SSC Scientific Assistant IMD Physics Questions No: 34
If ‘E’ is a magnitude of uniform electric field in a conductor , ‘r’ is the relaxation time, (‘e’ is charge and ‘m’ is mass of electron), then the term -eEτ/m is equal to the ______ of the electrons.
Option A : force experienced by
Option B : acceleration experienced by
Option C : drift velocity of
Option D : charge density due to
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Option C : drift velocity of
SSC IMD Scientific Assistant Physics Questions Paper No: 35
If the empirical formula for the observed wavelengths for hydrogen is 1/Α = R (1/k2 – 1/n2)(, where n is integral values higher than 1, then it represents the ______ spectral series.
Option A : Balmer
Option B : Paschen
Option C : Lyman
Option D : Brackett
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Option C : Lyman
SSC IMD Scientific Assistant Previous Year Paper Physics Questions No: 36
If the energy of electron in the 2nd orbit of hydrogen is -3.4 eV, then how much is the energy (in eV) in the 3rd orbit ?
Option A : -1.511
Option B : –2.22
Option C : -5.1
Option D : -13.6
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Option A : -1.511
SSC IMD Scientific Assistant Previous Year Paper Physics Questions No: 37
If the gas particles are of diameter ‘d’, average speed ‘v’, number of particles per unit volume ‘n’ then the volume of particle sweeps in time ‘t’ is?
Option A : πd2vt
Option B : πv2td
Option C : πt2vd
Option D : π2tvd
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Option A : πd2vt
IMD Scientific Assistant Previous Year Physics Questions Paper No: 38
United States Food and Drug Administration (FDA) has approved which test for detecting Zika virus in donated blood??
Option A : Roche test
Option B : Cobas test
Option C : Trioplex test
Option D : Elisa test
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Option B : Cobas test
IMD Scientific Assistant Physics Questions Paper No: 39
If the ideal gas equation is written as PV= kBNT, where N is the number of molecules, than kB represents?
Option A : Gas Constant
Option B : Bohr radius
Option C : Boltzman constant
Option D : B- factor
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Option C : Boltzman constant
Previous Year SSC IMD Scientific Assistant Physics Questions : 40
If x is displacement, time taken is t, initial velocity is u , final velocity is v , and acceleration is a , than which of the following equations is true ?
Option A : u2 = v2 + 2ax
Option B : x = (v2 – u2)/2a
Option C : v2 = (u2 – 2ax)
Option D : x = (v2 + u2 )/2a
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Option D : x = (v2 – u2)/ 2a
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