Hello Aspirants. Welcome to Online General Knowledge section in Affairs cloud, which is important for all the competitive exams. We have created Some questions related to General Science(Physics)Â !!!
- ………………. is also known as law of Galileo
1.Newton’s Second Law
2.Laws of motion
3.Newton’s Third Law
4.Newton’s First Law
5.All of theseAnswer – 4. Newton’s First Law
Explanation :
First law –Â Everybody retains its state or state of motion until an external force is applied on it - Which of the following is unit of Luminous intensity ?
1.Mole
2.Candela
3.Kelvin
4.Kilogram
5.None of theseAnswer – 2.Candela
Explanation :
Luminous intensity is a measure of the wavelength-weighted power emitted by a light source in a particular direction per unit solid angle - According to the law of conservation of energy which of the following is true ?
1.Energy can be created by many methods2.
2.Enegy can’t be transformed into any other form
3.Energy can’t be destroyed
4.Energy can either be created or be destroyed
5.Both 1 and 3Answer – 3.Energy can’t be destroyed
Explanation :
Law of conservation of energy : Energy can neither be created nor be destroyed but it can be transformed from one form to another form - The pressure exerted anywhere at a point of cofined fluid is transmitted equally and undiminished in all directions throughout the liquid is known as
1.Pascal’s law
2.Kepler’s law
3.Newton’s law
4.Stefan’s law
5.None of theseAnswer – 1.Pascal’s law
Explanation :
Pascal’s law is also known as principle of transmission of fluid-pressure - The speed of the light is
1.3×106m/m
2.8×108m/s
3.3×108m/s
4.6×103m/m
5.None of theseAnswer – 3. 3×108m/s
Explanation :
Light is a transverse wave - Optical fibre following …………….. to carry the information in the form of light
1.Law of scattering
2.Refraction law
3.Reflection law
4.Total internal reflection
5.None of theseAnswer – 4.Total internal reflection
Explanation :
Total internal reflection occurs when a propagating wave strikes a medium boundary at an angle larger than a particular critical angle with respect to the normal to the surface. - Twinkling of stars is based upon……………………………
1.Reflection
2.Refraction
3.Scateering
4.Both Reflection and Refraction
5.None of theseAnswer – 2.Refraction
Explanation :
Refraction is the bending of a wave when it enters a medium where its speed is different - Which of the following denotes Ohm’s law ?
1.I = VR
2.R/I = V
3.V = IR
4.R = VI
5.None of theseAnswer – 3.V = IR
Explanation :
Current is flowing through the conductor is direct proportional to the potential difference across its 2 ends. - The process of splitting of a heavy molecules into 2 or more lighter molecules is known as
1.Nuclear Fission
2.Nuclear Fusion
3.Nuclear Process
4.Nuclear reaction
5.None of theseAnswer – 1.Nuclear Fission
Explanation :
Fission – an atom splits into smaller parts, discovered by  by German Otto Hahn - Depth of the Ocean is measured by
1.Fathometer
2.Mariner’s Compass
3.Radar
4.Tachometer
5.None of theseAnswer – 1.Fathometer
Explanation :
Fathometer uses sound waves to determine the depth of water.It unit is Fathom
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