The area under the curve of a velocity time graph represents
acceleration
distance covered
instantaneous speed
time taken
work done
Correct answer is B
No explanation has been provided for this answer.
The mode of transference of heat which does not require any material medium is
conduction
convection
evaporation
radiation
transmission
Correct answer is D
Radiation is the emission or transmission of energy in the form of waves or particles through space or through a material medium.
Which of the following scientists postulated that moving particles exhibit wave properties?
Ernest Rutherford
Erwin Schroedinger
Frank Hertz
Louis de Broglie
Werner Heisenberg.
Correct answer is D
No explanation has been provided for this answer.
The space surrounding a magnet in which the magnetic force is exerted is
magnetic field
magnetic flux
magnetic point
magnetic pole
magnetic strength
Correct answer is A
No explanation has been provided for this answer.