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Total number of questions- 52 || General Physics Test-1
1.Natural science does not include??
Physics
Chemistry
Biology
Social science
2.Classical physics mainly deals with:?
Microscopic phenomenon
Macroscopic phenomenon
Atomic phenomenon
Heisenberg's uncertainty
3.The full form of Laser is??
Light amplification of the shorted extraction of rays
Light amplification by Light amplification by stimulated demanded emission of radiation stimulated emission of radiation
Long absorption of the silent extraction of radiLong absorption of silent extraction off radiation
None of these
4.Which scientist, the one who is credited with the contribution to the theory of condensed matter??
Earnest or Lando Lawrence
C.V Raman
Ernest rutherford
Lev Davidovich Landau
5.Least count error belongs to the category of??
Random error
Systematic error
Neither systematic error nor random error
Both systematic and random error
6.Bulk modules are defined for??
Solids
Liquids
Gas
All of the above
7.Which properties of water have an important environmental effect on marine life??
Temperature
Viscosity
Maximum density
None of the above
8.A temperature 120°Celsius on the Fahrenheit scale is equal to??
250°F
180°F
248°F
300°F
9.Work Function depends on??
Metal
Non-metal
Metal and nature of surface
Frequency
10.In this, which phenomenon shows the particle nature of light??
Photoelectric effect
Threshold frequency
Electric generator
Energy
11.The Sun is visible a little before the actual sunrise and until a little after the actual sunset due to??
Atmospheric reflection
Atmospheric refraction
Scattering of light
Dispersion of light
12.Which phenomenon is used in optical fibre??
Total internal factor
Dispersion
Scattering
Reflection
13.The pattern of the colour component of light is called??
Dispersion
Spectrum
Reflection
None of these
14.In the visible spectrum, which colour shows the longest wavelength??
Red
Violet
White
Yellow
15.White light enters a prism and gets split into its constituent colours this phenomenon is called?
Scattering of light
Dispersion of light
Deflection of light
All of these
16.The amount of scattering light is inversely proportional to the fourth power of wavelength. This is known as?
Rayleish scattering
Rayleish Defraction
Rayleish Reflection
Rayleish Dispersion
17.If an elderly person tries to read a book at about 25cm from the eye, the image appears blurred a condition known as??
Presbyopia
Near sightedness
Myopia
Glucomia
18.The phenomenon of diffraction takes place for??
Sound wave
Light wave
Water wave
All of these
19.The triangle of vector addition is known as??
Low of parallogram
Vector law
Perpendicular law
None of these
20.The elements having the same chemical properties but different in mass number are called?
Isomers
Isotones
Isobars
Isotopes
21.The density of nuclear matter is independent??
Increase with mass number
Decrease with mass number
Mass number
None of these
22.Universal gravitation is denoted by??
G
g
G"
g"
23.What is the formula of stress??
Force /area
Force /area ×density
E/V
Pressure/ Density
24.What is the dimensional formula of the gravitational constant??
M-¹L³T‐²
ML‐¹T
ML²T‐¹
ML‐²T‐²
25.What is the SI unit of surface tension??
Nm‐¹
Js
S‐¹
Nm‐²
26.What is the formula for pressure gradient??
Pressure/ density
Pressure / distance
Velocity / distance
Force/length
27.What is the constant value of the mass of a Neutron??
1.675×10‐²⁷ kg
1.759×10‐²⁷ kg
5.670×10‐⁸ Wm-²K‐⁴
None of these
28.What is the formula of Hooke's law??
Stress=k×strain
Pressure×volume
Volume/density
Speed / distance
29.Substances like tissue of the aorta, rubber etc. that can be stressed to cause large strains are called??
Tension
Elastomers
Modulus of elasticity
Young's modulus
30.The ratio of shearing stress to the corresponding shearing strain is called??
Shear modulus
Strain modulus
Bulk modulus
All of the above
31.The ratio of hydraulic stress to the corresponding hydraulic stream is called??
Bulk modulus
Strain modulus
Stress
Shear
32.For small deformations, stress is directly proportional to The Strain for many materials. This is known as?
Deformation law
Elastic law
Hooke's law
None of the above
33.The greater the area on which the force acts, the greater the impact. This concept is known as?
Pressure
Density
Newton's third law
Both a and c
34.What is the density of water??
1.00×10³
1.03×10⁶
1.06×10³
1.29
35.What is the dimension of pressure:?
ML‐¹T‐²
ML‐³
ML‐¹T‐¹
MT‐²
36.What is the dimension of specific gravity??
Dimensionless
MT-²
ML‐¹
ML‐³
37.What is the SI unit of heat??
Kelvin
Joule/energy
Joule
Celsius
38.Which device is used to measure heat??
Calorimeter
Thermometer
Gauge
None of the above
39.A process in which the temperature of the system is kept fixed throughout is called??
Isothermal process
Isobaric process
Adiabatic
Thermal
40.A process in which no heat flows between the system and its surroundings is called??
Isochronic process
Isothermal process
Isobaric process
Adiabatic process
41.The phenomenon of increase in amplitude when the driving force is close to the natural frequency of the ascillator is called??
Resonance
Frequency
Simple hormonic
All of the above
42.Dimension formula of frequency.?
[T‐¹]
[T]
[T‐²]
[T‐³]
43.Example of non-periodic motion??
Orbital motion of planet
Projectile motion
Both a and b
Oscillatory motion
44.Ultrasonic waves in air produced by a vibrating quartz crystal??
Transverse wave
Longitudinal wave
Transverse and longitudinal both
None of the above
45.The square of the time period of revolution of a planet is a proportional to the cube of semi-major axis of the ellipse traced out by the planet??
Law of periods
Law of area
Law of orbits
None of these
46.The escape speed from the surface of earth is depend on??
The height of the location from where the body is launched
Mass of the body
Weight of the body
Direction of the body
47.The radius of first orbit (n=1) be minimum??
Double ionized Lithium
Single ionized Helium
Hydrogen
None of the above
48.Paschen series of spectral line is nearly??
750nm
800nm
820nm
500nm
49.At the time of short circuit , the current in the circuit is ??
Reduce substantially
Does not change
Increase heavily
Very continuously
50.Which safety device we used to protecting the circuit due to short circuating or overloading of circuits??
Insulator
Thin wire
Fuse
All of the above
51.A continuous enclosed path of electric current is called ???
Electric current
Net charge
Electric potential
Circuit
52.Formula of electric current??
I=Q/t
I=t/Q
Q=It
None of the above