Recent questions and answers in Physics

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What is Bio Energy?

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What is Geo Thermal Energy?

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What is Oceanic Energy?

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What is Wind Energy?

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What is Atomic Energy?

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What is Solar Energy?

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What is Law of Conservation of Energy?

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Write a Short Note on Spectrum?

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Write a Short Note on Ultraviolet Rays?

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Write a Short Note on Laser?

AlokKumar Answered in Physics 20 Hours Ago

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Write a Short Note on Cathode Rays?

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Write a Short Note on X-rays?

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What is Temperature Radiation?

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What is the properties of electric field lines?

Dhruv Raj Answered in Physics May 4

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What is electric field lines?

Dhruv Raj Answered in Physics May 4

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What is equilibrium of symmetric geometric point charged system?

Dhruv Raj Answered in Physics May 4

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What is null points in electric charges?

Dhruv Raj Answered in Physics May 4

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What is charge?

Dhruv Raj Answered in Physics May 4

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What is relative permittivity?

Dhruv Raj Answered in Physics May 4

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What is coulombs law?

Dhruv Raj Answered in Physics May 4

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How many method of charging of a body?

Dhruv Raj Answered in Physics May 4

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What is the first law of motion?

Dhruv Raj Answered in Physics May 4

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What is the Galileo experiments about first law of motion?

Dhruv Raj Answered in Physics May 4

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What happens to the gravitational force between two objects if the mass of one object is doubled and the distance between them is also doubled?

AlokKumar Asked in Physics Apr 11

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A boy completes one round of a circular track of diameter 200 m in 30 s. What will be the displacement at the end of 3 minutes and 45 seconds?

AlokKumar Asked in Physics Apr 11

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Which one of the following statements is not correct?

AlokKumar Asked in Physics Apr 11

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At the time of short-circuit, the current in the circuit —

AlokKumar Asked in Physics Apr 11

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What is the correct sequence of resistivity of silver, nichrome and glass at room temperature?

AlokKumar Asked in Physics Apr 11

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If the magnification produced by a lens is +2, then the image is —

AlokKumar Asked in Physics Apr 11

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1 Answer 9 Views

What is Truth Table?

AlokKumar Answered in Physics Apr 9

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1 Answer 6 Views

What are Logic Gates?

AlokKumar Answered in Physics Apr 9

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2 Votes

1 Answer 6 Views

Transistor as an Oscillator

AlokKumar Answered in Physics Apr 9

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2 Votes

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In a cyclotron, a magnetic induction of $1.4 \mathrm{~T}$ is used to accelerate protons.

AlokKumar Answered in Physics Mar 26

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3 Votes

1 Answer 10 Views

A galvanometer of resistance $100 \Omega$ gives a full scale deflection for a current of $10^{-5} \mathrm{~A}$.

AlokKumar Answered in Physics Mar 26

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3 Votes

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Two thin long parallei wires separated by a distance $b$ are carrying a current $I$ ampere each.

AlokKumar Answered in Physics Mar 26

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3 Votes

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A coil in the shape of an equilateral triangle of side $0.02 \mathrm{~m}$ is suspended from its vertex such that

AlokKumar Answered in Physics Mar 26

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3 Votes

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The current sensitivity of a moving coil galvanometer increases by $35 \%$

AlokKumar Answered in Physics Mar 26

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A galvanometer of resistance $25 \Omega$ is connected to a battery of $2 \mathrm{~V}$ along with a resistance in series.

AlokKumar Answered in Physics Mar 26

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A deuteron of kinetic energy $50 \mathrm{keV}$ is describing a circular orbit of radius $0.5 \mathrm{~m}$

AlokKumar Answered in Physics Mar 26

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A particle of charge $-16 \times 10^{-18}$ coulomb moving with velocity $10 \mathrm{~m} \mathrm{~s}^{-1}$ along the $X$-axis enters a region

AlokKumar Answered in Physics Mar 26

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A long straight wire of radius a carries a steady current $I$.

AlokKumar Answered in Physics Mar 26

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A solenoid of length $50 \mathrm{~cm}$ and radius of crosssection $1 \mathrm{~cm}$ has 1000 turns of wire wound over it.

AlokKumar Answered in Physics Mar 26

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The angle made by the vector $\sqrt{3} \hat{i}+\hat{j}$ with $x$-axis is

AlokKumar Answered in Physics Mar 25

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In a series LCR circuit, the voltage across the resistance, capacitance and inductance is $10 \mathrm{~V}$ each.

AlokKumar Answered in Physics Mar 25

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A particle moves in $x-y$ plane according to the equations $x=4 t^{2}+5 t+16$ and $y=5 t$ where $x, y$ are in metre and $t$ is in second. The acceleration of the particle is

AlokKumar Answered in Physics Mar 25

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The maximum velocity of a particle executing simple harmonic motion is $v$.

AlokKumar Answered in Physics Mar 25

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A Carnot refrigerator extracts heat from water at $0^{\circ} \mathrm{C}$ and rejects it to room at $24.4^{\circ} \mathrm{C}$.

AlokKumar Answered in Physics Mar 24

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A man goes at the top of a smooth inclined plane. He releases a bag to fall freely and himself slides down on inclined plane to reach the bottom.

AlokKumar Answered in Physics Mar 24

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1 Answer 9 Views

A battery lights a bulb. Describe the energy changes involved in the process.

Gitesh kumar Garg Answered in Physics Mar 19

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In what direction does the buoyant force on an object immersed in a liquid act?

Gitesh kumar Garg Answered in Physics Mar 19

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