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When a metal is illuminated with radiation with a wavelength of 152 nm, photoelectrons are ejected with a velocity of 7.9 x 105 m/s.
What is the work function, in eV, of the metal?
The overall length of a particular wind instrument is 35.0 cm. The resonating air column vibrates as ina pipe that is open at both ends. (a) Find the frequency of the lowest not
The current/voltage relationship for two resistors A and B is as shown in Figure. Verify the value of the resistance of every resistor.
A 2.00 x 10 3 -g sample of water at 100.0°C is mixed with a 4.00 x 10 3 -g sample of water at 0.0°C in a calorimeter. What is the equilibrium temperature of the mixture?
Surface tension can be explained in given possible ways: (i) The property of a liquid on account of which it tends to keep minimum number of molecules in its free surface is d
To determine the acceleration due to gravity using a simple pendulum. Apparatus: Pendulum, meter scale, stand, stop watch, vernier callipers. Procedure: 1. The diameter of the bob
Planck constant; h: The fundamental constant equivalent to the ratio of the energy of a quantum of energy to its frequency. It refer to the quantum of action. This contains th
Using Gauss divergence theorem show that the volume of a sphere of radius 'r' is 4⁄3 πr 3 .
why fall an apple from a tree
Illustrate the principle of carbon dioxide laser in short. Principle of carbon dioxide (CO 2 ) Laser: To get Laser transition between two levels this is necessary to acquire
If a polarizer is placed in front of each slit, what modification be observed in the interference fringes. A) when the two polarizing axes are perpendicular? b) when the two
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