Laws of kinetic energy impact

what are the 2 kinds of mechanical energy ?

(please make sure your all starting letters are small)

What is electrical energy converted into when a drill is used? (There can be more than one answers)

• Mechanical Energy

• Magnetic Energy

• Heat energy

• Light Energy

Complete the statement about the principal of Conservation of Energy.

Energy can be changed for one form to another but the total amount of energy

• always increases

• always decreases

• does not change

• varies according to the reaction

What is energy ?

• the space occupied by an object is energy

• the position of a body

• Capacity to do work.

fill in the blanks

energy possessed by the body due to its position is called ________ energy.

• kinetic

• potential

The above equation is giving us:

• no of molecules having speed between c and c + dc

• no of molecules having speed c

• no of molecules having speed dc

• I don't know the answer

The objects that converts mechanical energy to electrical energy

• Batteries

• bulbs

• windmills

• toasters

Degree of freedom of a diatomic gas molecule is:

• 6

• 5

• 7

• undefined

The operator ∇² is called _______ operator

• Hamiltonian

• Laplacian

• Poisson

• Vector

During Quantum tunnelling,

• Energy of the wave function decreases

• Amplitude of the wave function decreases

• Frequency of the wave function decreases

• Wavelength of the wave decreases