150+ Physics General Knowledge Questions: Page – 3
Q041) The momentum of a body depends:
A) Only on its Velocity
B) Only on its Mass
C) Both A and B
D) None of the Above
Answer: CQ042) Solar energy __________ generates more power than wind energy:
A) Sometimes
B) Always
C) Never
D) Often
Answer: A
Q043) Plasma is formed in stars due to _________:
A) High Temperature
B) High Pressure
C) Low Temperature
D) None of These
Answer: A
Q044) _________ waves include visible light waves, X-rays, gama rays, radio waves, microwaves, ultraviolet and infrared waves:
A) Mechanical
B) Magnetic
C) Electromagnetic
D) Electric
Answer: C
Q045) Which of the following is not a characteristic of sound waves:
A) Velocity
B) Nature
C) Wavelength
D) None of These
Answer: B
Q046) Echocardiogram is used in __________:
A) Bioelectricity
B) Radiation
C) X-rays
D) None of These
Answer: B
Q047) Which of the following lamp has the highest energy efficiency:
A) LED
B) CFL
C) Arc Lamp
D) None of These
Answer: A
Q048) The minimum speed required by a spacecraft to escape the gravitational pull is ________:
A) 6 Miles/sec
B) 7 Km/sec
C) 7 Miles/sec
D) 10 Miles/sec
Answer: C
Q049) Acceleration due to gravity (g)= ___________:
A) G/MR²
B) GR²/M
C) GM/R²
D) GM/R
Answer: C
Q050) Mechanical energy is equal to:
A) Kinetic + Chemical Energy
B) Kinetic + Potential Energy
C) Kinetic + Heat Energy
D) Kinetic + Electrical Energy
Answer: B
Q051) If a plane travels a distance of 4000 M with the work done of 2000 J, then the force applied is:
A) 5 N
B) 10 N
C) 25 N
D) 50 N
Answer: A
Q052) Heat can be transferred by convection in _________:
A) Solid and Liquid
B) Solid and Vaccum
C) Vaccum and Gas
D) Gas and Liquid
Answer: D
Q053) Changing the amount of the matter _________ will remain unchanged:
A) Volume
B) Mass
C) Density
D) Weight
Answer: C
Q054) If the distance between two masses is reduced to half, then how many times the gravitational force increases between them:
A) 4 Times
B) 5 Times
C) 6 Times
D) 7 Times
Answer: A
Q055) A body absorbs most of the heat when it is:
A) Black and Raugh
B) Black and Smooth
C) White and Raugh
D) White and Smooth
Answer: A
Q056) The Endoscope is based on the principle of:
A) Scattering
B) Total Internal Reflection
C) Both A and B
D) None of These
Answer: B
Q057) Mesons are found in _________:
A) Cosmic Rays
B) Gama Rays
C) X-rays
D) Leaser Beam
Answer: A
Q058) Which of these parts of the ear response to sound waves like a microphone’s diaphragm:
A) Pinna
B) Lobe
C) Fluid in the Inner Ear
D) Eardrum
Answer: D
Q059) Which of the following is generally used to reduce reverberation in an auditorium as sound absorbents:
A) Compressed Fibreboard
B) Rough Plaster
C) Draperies
D) All of These
Answer: D
Q060) How many colours does sunlight consist of:
A) Two
B) Three
C) Five
D) Seven
Answer: D
