Your question: What happens when an electric field was applied in the path of cathode rays in the discharge tube?

When an external electric field is applied, the cathode ray is deflected toward the positive pole. When a magnetic field is applied, the cathode ray is deflected from its normal straight path into a curved path.

When cathode rays are passed through an electric field?

When cathode rays moving horizontally pass through an electric field directed vertically downward, the rays would be deflected .

What happens when cathode rays on the walls of the discharge tubes?

Cathode rays carry electronic currents through the tube. Electrons were first discovered as the constituents of cathode rays. Answer: Electrons accelerated to high velocities travel in straight lines through an empty cathode ray tube and strike the glass wall of the tube, causing excited atoms to fluoresce or glow. …

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What happens to cathode rays in the absence of magnetic or electric fields?

In the absence of magnetic or electric fields, cathode rays travel in straight lines.

Can cathode rays be deflected by electric field?

Summary. Cathode rays are deflected by a magnetic field. The rays are deflected away from a negatively charged electrical field and toward a positively charge field.

What happens when an electric field is applied to a cathode ray?

When an external electric field is applied, the cathode ray is deflected toward the positive pole. When a magnetic field is applied, the cathode ray is deflected from its normal straight path into a curved path.

What happens when cathode rays pass through the electric field Class 9?

Cathode rays are streams of negatively charged electrons. When they are subjected to an electric field, they are deflected towards the oppositely charged positive electrode or anode.

How were cathode rays produced using a discharge tube?

cathode ray, stream of electrons leaving the negative electrode (cathode) in a discharge tube containing a gas at low pressure, or electrons emitted by a heated filament in certain electron tubes.

How were cathode rays produced using a discharge tube give four properties of cathode rays?

JJ. … At high voltage, Thomson pushed electricity through the discharge tube, holding a gas at very low pressure; a green fluorescence is seen emanating from the other end of the discharge tube. The fluorescence is the product of rays released from the cathode to the anode (positive plate) in the discharge tube.

When was the cathode ray tube experiment conducted?

English physicist and chemist William Crookes investigated cathode rays in 1879 and found that they were bent by a magnetic field; the direction of deflection suggested that they were negatively charged particles.

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Why are cathode rays affected by magnetic fields?

A high voltage is transmitted to the cathode ray tube, inducing the cathode to emit electrons – essentially an electrical current. … That rule describes how a charged particle (our electron) moving in a magnetic field will be deflected by that field at a right angle to both the field and to the direction of the particle.

What effect did a magnet have on cathode rays?

When you bring the magnet close to the cathode ray tube, the magnetic fields will interact with each other and the electron beam will bend. The direction it bends is dependent on the orientation of the magnet poles on either side of the cathode ray tube.

What is the purpose of the magnetic field in a cathode ray tube?

The magnetic field deflects the electrons according to the right hand rule. Deflection of Cathode Rays (electron beam) by an Electric Field – Turn on the power strip.

When cathode rays were passed through an electric field it got deflected towards the positive plate of the electric field?

The cathode ray is deflected away from the negatively-charged electric plate, and towards the positively-charged electric plate. The amount by which the ray was deflected by a magnetic field helped Thomson determine the mass-to-charge ratio of the particles. Image from Openstax, CC BY 4.0.

Why did all metals used as the cathode produce cathode rays?

Cathode rays come from the cathode, because the cathode is charged negatively. So those rays strike and ionize the gas sample inside the container. The electrons that were ejected from gas ionization travel to the anode. These rays are electrons that are actually produced from the gas ionization inside the tube.

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Which of the following rays can be deflected by applying electric field?

The alpha rays and beta rays get deflected by the electric field. Alpha rays are positively charged and beta rays are negatively charged.