Indian army has published the notification for SSC Tech 56 men and SSC Tech 27 women for the course commencing at OTA Chennai from April 2021
Which of the following option is correct?
1 rutherford (Rd) = 10 6 decays/second
1 rutherford (Rd) = 10 5 decays/second
1 rutherford (Rd) = 10 4 decays/second
1 rutherford (Rd) = 10 3 decays/second
Which one of the following is NOT a luminous object?
Sun
Electric lamp
Candle
Moon
Which one of the following statements is correct?
Acceleration due to gravity decreases with the increase of attitude
Acceleration due to gravity increases with the increase of depth (assumption Earth to be a sphere of uniform density)
Acceleration due to gravity decreases with the increase of latitude
Acceleration due to to gravity is independent of the mass of the Earth
Which one of the following statements is not correct?
The Earth’s magnetic eld is due to the motion of metals like iron and nickel in the core of the Earth
The magnetic eld lines of force are widely separated near the poles of a magnet, but these lines come closer to one another at other places
If the cross-sectional area of a magnetic eld increase, but the flux remains the same, the flux density decreases
The magnetic lines of force come closer to one another near the poles of a magnet, but they are widely separated at other places.
Suppose that the price of a commodity increase from ₹ 90 to ₹ 110 and the demand curve shows that the corresponding reduction in quantity demanded is from 240 units to 160 units. Then, the coefficient of the price elasticity of demand will be
1.0
2.4
0.5
2.0
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