i. Pollen grains in water ii. The molecules of hydrogen gas iii. Fine chalk particles floating in air A. i…
A. mass of fluid displaced B. weight of the body C. volume of the body D. weight of the fluid…
A. length, mass and time B. speed, length and time C. speed, mass and distance D. distance, speed and time…
i, average speed of the molecules increases ii. pressure of the air increases iii. average separation of the molecule increases.…
A. ionizing ability B. absorption rate C. mode of production D. mode of propagation Correct Answer: Option D D. mode…
A. 7.8A B. 7.1A C. 3.8A D. 3.5A Correct Answer: Option A A. 7.8A Explanation Io=Irms×√2 =5.5×1.41=7.8A
A. 112.5Hz B. 225.0Hz C. 323.5Hz D. 707.1Hz Correct Answer: Option A A. 112.5Hz
A. remains the same B. becomes parallel to the wire C. ceases to exist D. is oppositely directed Correct Answer:…
A. 13.0V B. 11.0V C. 3.0V D. 1.0V Correct Answer: Option B B. 11.0V Explanation V/R=E/(R+r)=V/5.5 = 12/6 v =…
A. 2.0Ω. B. 3.0Ω. C. 5.0Ω. D. 6.0Ω. Correct Answer: Option A Explanation V/R=E/(R+r) 0.93=1.5/3+r r = 2Ω.