What are the assumptions made during the oil drop experiment?
Teachers Of Physics Latest Questions
When a Bunsen burner is lit below wire gauze, it is noted that the flame initially burns below the gauze. After sometime, the flame burns below as well as above the gauze. Explain this observation.
State and explain factors that affect capacitance of parallel-plate capacitor.
Briefly explain the working of a transformer. Hence, explain why a transformer cannot be used to step-up voltage from a battery.
Explain how an “excited” hydrogen atom is able to emit radiations of different wavelengths.
Briefly explain how electric locomotives achieve their performance.
Explain how doping produces a p-type semi-conductor from pure semi-conductor material.
Explain how submarines float or sink while navigating through water bodies.
When a moving car encounters a patch of ice the brakes are applied. Why is it desirable to keep the wheels rolling on the ice without locking up?