If you want to learn more about the nature and properties of matter and energy or you're simply preparing for a Physics exam, these Physics past questions and answers are ideal for you.
intensity of the incident radiation
frequency of the incident radiation
energy of the incident radiation
work function of the metal.
Correct answer is A
No explanation has been provided for this answer.
The vacuum between the double walls of a thermos flask reduces heat loss through
conduction and radiation
convection and conduction
radiation only
conduction only
Correct answer is B
No explanation has been provided for this answer.
Which of the following units is not fundamental?
Metre
Kilogram
Joule
Candela
Correct answer is C
No explanation has been provided for this answer.
gives off dim blue-green light only in the dark.
gives out light of its own
shines by reflected light only
glows only in the presence of light
Correct answer is B
No explanation has been provided for this answer.
Decreasing the mass of the particles
Decreasing the distance between the particles
Increasing the assistance between the particles
Increasing the mass of the particles
Correct answer is B
No explanation has been provided for this answer.