What is the difference between emfand potential difference? Under what circumstances are the potential difference between the terminals of a battery and the emf of the battery equal to each other?
A beam of light is incident at a polarizing angle on a piece of transparent material of refractive index 6.2. What is the angle of refraction for the transmitted beam?
Discuss the Fraunhofer diffraction in a single slit.
List the characteristics of C4 plants with examples.
What are the conditions for constructive and destructive interference of light waves?
Describe Michelson's method for determining the speed of light.
Describe the T.S. of monocot and dicot leaf with the necessary diagram.
Whistle of an approaching train is shifter, why?
In a resonance tube experiment, the first and the second resonance positions were observed at 17 cm and 52.6 cm respectively. The tuning fork used was frequency 512 Hz and the temperature was 17°C. Calculate the velocity of sound in air at 0°C and the end correction of the tube.
What happens to the frequency of transverse vibration of a stretched string if its tension is halved and the area of the cross-section of the string is doubled?
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