1.7V
2.0V
8.0V
15.0V
Correct answer is B
\(V_8 \frac{hf - w_o}{e} = \frac{5.0 \times 1.60 \times 10^{-19} - 3.0 \times 1.6 \times 10^{-19}}{1.6 \times 10^{-19}} = 2.0V\)
A process by which two light atoms join to form a new atom of higher atomic mass is
natural radioactivity
nuclear fission
nuclear fusion
chain reaction
Correct answer is C
No explanation has been provided for this answer.
Beta particles are faster-moving
protons
electrons
neutrons
photons
Correct answer is B
No explanation has been provided for this answer.
retains its magnetism for a long time
is easily magnitised
reduces energy loss due to hysteresis
is easily demagnetised
Correct answer is A
No explanation has been provided for this answer.
Which of the following statements is an advantage of nuclear fusion over nuclear fission?
The resulting chain reaction which produces large amount of energy
no radioactve wave is produced as bye product
very high temperature is required in the process
the end product is lead
Correct answer is A
No explanation has been provided for this answer.