Abody of mass 5 gm is executing s. h.m. about a point with amplitude 10 cm. its maximum velocity is 100 cm/sec. its velocity will be 50 cm/sec at a distance.

a. 5
b. 5√2
c. 5√3
d. 10√2

Which is the best predictor of the radioactive nature of an isotope? o the proton-to-electron ratio the neutron-to-proton ratio o the neutron-to-electron ratio the electron-to-proton ratio

Which is the correct symbol for an isotope of iodine with 53 protons and 78 neutrons?

When is a current produced? when the terminals of an electrochemical cell are connected by a wire if the electric circuit is opened in an electrochemical cell if the electrolyte is removed from an electrochemical cell when the electrodes are reversed in an electrochemical cell