Posted by (Physics) General Science Question(PART01) Free PDF Download
Q1) Blades of a windmill possess , hence they are turned by a fast wind.
Ans -: Potential Energy
Q2) A dark-skinned man experiences , as compared to a fair skinned man.
Ans -: Less heat & Less cold
Q3) What device is used to break/complete an electronic circuit?
Ans -: Switch
Q4) What is the temperature at which both the Fahrenheit and the centigrade scales have the same value?
Ans -: -40°
Q5) Acceleration acts always in the direction of the .
Ans -: Net force
Q6) The principle used in working of an atom bomb is .
Ans -: Nuclear Fission
Q7) What is the unit used to measure the depth of sea?
Ans -: Fathom
Q8) Astigmatism can be corrected by .
Ans -: Cylindrical lenses
Q9) Lambert’s Law is related to .
Ans -: Illumination
Q10) In a Battery, which energy is converted into Electrical energy?
Ans -: Chemical Energy
Q11) The longitudinal mechanical waves of less than 20Hz are called .
Ans -: Infrasonic
Q12) Distance of stars are measured in ?
Ans -: Light Years
Q13) Albert Einstein was awarded the Noble prize for .
Ans -: Photoelectric Effect
Q14) Electric Motor converts the Electric energy into .
Ans -: Electric energy to Mechanical energy
Q15) Robert Koch has invented the .
Ans -: Electron microscope
Q16) Force of attraction between the molecules of different substances is called .
Ans -: Adhesive Force
Q17) Electrons in Good conductors are .
Ans -: loosely bound
Q18) One barrel of oil = litre. (approximately)
Ans -: 159
Q19) If a bar magnet is cut length wise into 3 parts, what will the total number of poles be?
Ans -: 6
Q20) If the body is hollow, then its centre of gravity lies?
Ans -: Outside the material
Q21) If the temperature inside a room is increased, the relative humidity will .
Ans -: Decrease
Q22) In summer, the mirages are seen due to the phenomenon of .
Ans -: Total Internal Reflection
Q23) In the visible spectrum which colour has the longest wavelength?
Ans -: Red
Q24) In which medium sound travels faster?
Ans -: Solid
Q25) Insects can move on the surface of water without sinking due to .
Ans -: Surface tension of water
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