A. electrostatic, gravitational and magnetic forces are always attractive B. electric, gravitational and magnetic field obeys inverse square law C.…
A. it is an imaginary line which a positive charge will describe if it is free to move B. the…
A. talking drum B. siren C. tuning fork D. guitar Correct Answer: Option C C. tuning fork
A. 179.0ms‾¹ B. 100.0ms‾¹ C. 15.8ms‾¹ D. 8.0ms‾¹ Correct Answer: Option B B. 100.0ms‾¹ Explanation v = √T/m =√800/0.08 =…
A. its temperature on the celsius scale B. its temperature in the thermodynamic scale C. the cube root of its…
A. both form virtual image of objects B. the image formed by the eye is upright in the retina while…
A. green and blue B. orange and indigo C. blue and violet D. red and yellow Correct Answer: Option B…
A. +20.0 B. +0.2 C. -20.00 D. -0.2 Correct Answer: Option A A. +20.0 Explanation p = 100/f=100/+5 =+20
A. 2.35m B. 1.35m C. 1.00m D. 0.35m Correct Answer: Option B B. 1.35m Explanation n = R.d/A.d 1.35 =…
A. 100cm B. 33cm C. 29cm D. 20cm Correct Answer: Option D D. 20cm Explanation M = v/u v =…