A ball is dropped from the top of a tower. Due to air resistance,it reaches…
A ball is dropped from the top of a tower. Due to air resistance,it reaches terminal velocity. Which…
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Which of the following substances lowers the surface tension of water?
Which of the following substances lowers the surface tension of water? A. metal B. sand C. detergent D.…
A student measures the volume of a liquid using a measuring cylinder. What else needs…
A student measures the volume of a liquid using a measuring cylinder. What else needs to be measured…
The diagram given, represents the graph of stress against strain for an elastic wire. The…
The diagram given, represents the graph of stress against strain for an elastic wire. The point Q on…
(^{226}_{88}Ra) emits two alpha particles to produce polonium(po) nuclide. The correct formula for the nuclide?
(^{226}_{88}Ra) emits two alpha particles to produce polonium(po) nuclide. The correct formula for the nuclide? A. (^{224}_{86}po) B.…
The dimensions of momentum are
The dimensions of momentum are A. MLT B. ML-1T-1 C. MLT-1 D. ML-1T Correct Answer: Option C Explanation…
in a nuclear fission process, the mass defect was 1.2 x 10-5kg. Calculate the energy…
in a nuclear fission process, the mass defect was 1.2 x 10-5kg. Calculate the energy released. [speed of…
Which of the following statements about diode is correct?
Which of the following statements about diode is correct? A. reverse bias diodes have low resistance B. forward…
Which of the following radiations constitutes a stream of electrons?
Which of the following radiations constitutes a stream of electrons? A. Ramma rays B. X-rays C. Cathode rays…
When current flows through a moving-coil galvanometer, the force exerted on the pointer depends on…
When current flows through a moving-coil galvanometer, the force exerted on the pointer depends on the: i. strength…