Physics 2nd Paper MCQ-Sylhet Board-2023

1. What is the equivalent capacitance of combination of capacitors?

2. What are ${ }_{18}^{40}$ Ar and ${ }_{20}^{40}$ Ca to each other?

3. Transistors can be used-

i. as a switch

ii. as a rectifier

iii. as an amplifier

Which one is correct?

4. What type of thermodynamic process takes place inside the tires when a car is moving?

5. What type shows the light rays and wavefront in Fresnel class of diffraction?