Physics Questions and Answers List

Which of the following would produce analog signals and which would produce digital signals ?
Physics | (1 Answers)
Two H atoms in the ground state collide inelastically.
Physics | (1 Answers)
Would sky waves be suitable for transmission of TV signals of 60 MHz frequency ?
Physics | (1 Answers)
The frequency response curve (figure) for the filter circuit used for production of AM wave should be
Physics | (1 Answers)
Why is an AM signal likely to be more noisy than a FM signal upon transmission through a channel?
Physics | (1 Answers)
The simple Bohr model is not applicable to He4 atom because
Physics | (1 Answers)
The Bohr model for the spectra of a H-atom
Physics | (1 Answers)
As the frequency of an AC circuit increases, the current first increases and then decreases.
Physics | (1 Answers)
In an alternating current circuit consisting of elements in series, the current increases on increasing the frequency of supply.
Physics | (1 Answers)
The output of a step-down transformer is measured to be 24 V when connected to a 12 W light bulb.
Physics | (1 Answers)
Consider aiming a beam of free electrons towards free protons.
Physics | (1 Answers)
An ionised H-molecule consists of an electron and two protons.
Physics | (1 Answers)
There are two coils A and B separated by some distance. If a current of 2 A flows through A,
Physics | (1 Answers)
Electrical energy is transmitted over large distances at high alternating voltages.
Physics | (1 Answers)
Can reflection result in plane polarised light if the light is incident on the interface from the side with higher refractive index ?
Physics | (1 Answers)
A polaroid (I) is placed in front,of a monochromatic source.
Physics | (1 Answers)
A circular disc of radius R is placed co-axially and horizontally inside an opaque hemispherical bowl of radius a (figure).
Physics | (1 Answers)
A cylindrical bar magnet is Rotated about its axis.
Physics | (1 Answers)
The human eye has an approximate angular resolution of ΙΈ = 5.8 x 10-4 rad and a typical photo printer prints a minimum of 300 dpi (dots per inch, 1 inch = 2.54 cm).
Physics | (1 Answers)
Why is the diffraction of Sound waves more evident in daily experience than that of light wave ?
Physics | (1 Answers)
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