A radio receiver is designed to receive transmissions at 20m, 25m and 30 m bands. Calculate the range of frequencies to which the receiver can be tuned.

Your radio is tuned to 25 m band. Calculate the frequency of transmission of the broadcasting station.

Calculate the momentum of a particle which has a de Brogile wavelength of 0.1m.

A 20 gram bullet moving at 300 m/s stops after penetrating 3 cm of bone. Calculate the average force it exerts.

An a.c. e.m.f is given by epsilon = 220 sin (100pit - pi/3) Calculate its rms voltage and frequency .

A radio is tuned to 30 m band. What is the frequency of transmission of the broadcasting station? (Answer the question)

A radio can tune to a frequency band of 5 MHz to 25 MHz. Calculate the corresponding wavelength band.

For the reaction, R to P , the concentration of a reactant changes from 0.03 M to 0.02 M in 25 min. calculate the average rate of reaction using units of time both in minutes and seconds.