Answer:
Interference of light
Diffraction of light
Polarization of light
Reflection of light
all show the wave nature of light.
Answer:
Lithium and Sodium
Explanation:
Lithium and Sodium is in the same group 1A
Answer:
A. A resistor alters current and a switch turns current on and off
Explanation:
Resistor is the passive component that reduces the flow of current. Switch is the electrical device that turns on or off the current by closing and opening the electrical circuit.
Thus option A. A resistor alters current and a switch turns current on and off is correct.
I would definitely think its B....
When the balloon is kept in the sun, due to Sun's heat, the kinetic energy of gaseous particles inside the balloons also gets increased and the balloon expands. This will increase the pressure on the walls of the balloon. It continues to expand and comes to a stage when the baloon bursts.
