Physics 2nd Paper MCQ-Dhaka Board-2021

1. Which one of the following graph expresses the third law regarding to Joules heat production?

2. The maximum magnitude of electric field of an electromagnetic wave is $54 \mathrm{Vm}^{-1}$. What is the maximum magnitude of magnetic field?

3. What is the output of the logic circuit of the stem?

4. If the phase difference between two points of a wave is $\frac{11 \pi}{2}$ then path difference between that points is -

5. The slope of isothermal line is how much steeper than adiabatic line?