The rotational effect of a force on a body about an axis of rotation is described in terms of
Centre of gravity
Centripetal force
Centrifugal force
Moment of force
Answer: Option D
Similar Questions :
1. Which instrument is used to measure the power of electric circuit ?
Voltmeter
Wattmeter
Wavemeter
Viscometer
Answer: Option B
Explanation:
Voltmeter - is used to measure electric potential difference between two points,
Wavemeter - is used to measure the wavelength of a radiowave,
Viscometer - is used measure viscosity of liquid.
2. Which unit we use to express Nuclear sizes ?
Tesla
Newton
Fermi
None of above
Answer: Option C
3. Scalar Quantities are
physical quantities which have magnitude only and no direction
physical quantities which have no magnitude only and only direction
physical quantities which have magnitude only and direction
physical quantities which have no magnitude and no direction
Answer: Option A
4. Which are the primary Colours ?
Yellow, Green, Blue
Red, Magenta, Blue
Red, Green, White
Red, Green, Blue
Answer: Option D
Explanation:
Red, Green, Blue are primary colours. All the colours can be produced by them by mixing in different proportions. Interesting :)
5. Alfred Nobel invented
X ray
Diesel Engine
Dynamite
Dynamo
Answer: Option C
Explanation:
Alfred Nobel if Sweden invented Dynamite in 1867,
X ray was invented by Wilhelm Roentgen of Germany in 1895,
Diesel Engine was invented by Rudolf Diesel of Germany 1892,
Dynamo was invented by Michael Faraday of England in 1831.