What is a cathode ray ?

What is a cathode ray ?
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1 Answer

Answer :

The cathode ray is the electron that emits from the cathode of the electrostatic tube at low pressure and produces a refraction on the opposite wall of the dripping tube at approximately perpendicular speed of light.
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What is the main difference between X ray and cathode ray ?

Description : What is the main difference between X ray and cathode ray ?

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Why cathode ray can not be regarded as electromagnetic wave?

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What happens when cathode rays strike the glass walls of the cathode ray tube?

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Considered as the "heart" of the cathode ray oscilloscope.

Description : Considered as the "heart" of the cathode ray oscilloscope.

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The time base signal in Cathode Ray Oscilloscope (CRO) is

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What is Cathode ray tube ?

Description : What is Cathode ray tube ?

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What is Cathode Reaction ?

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Last Answer : Cathode reaction is a reaction performed on a positive electrode.

(3) made cathode and a pure nickel red, the anode Explanation: Electroplating is the deposition by electrolysis of a coating of metal upon a conducting surface. The simplest system makes the object to be plated the negative electrode (cathode) or plate in a galvanic couple. Thus a spoon or other object may be connected by a wire to a plate of nickel. The process that occurs on the spoon is called reduction and, therefore, the spoon is also referred to as a cathode.

Description : (3) made cathode and a pure nickel red, the anode Explanation: Electroplating is the deposition by electrolysis of a coating of metal upon a conducting surface. The simplest system makes the object to be ... on the spoon is called reduction and, therefore, the spoon is also referred to as a cathode.

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Electrolysis of an aqueous solution of copper sulphate using copper electrodes gives (1) Copper at eathode and oxygen at anode. (2) Copper at anode and oxygen at cathode. (3) Copper at cathode and anodes dissolve to give copper. (4) Hydrogen at cathode and oxygen at anode.

Description : Electrolysis of an aqueous solution of copper sulphate using copper electrodes gives (1) Copper at eathode and oxygen at anode. (2) Copper at anode and oxygen at cathode. (3) Copper at cathode and anodes dissolve to give copper. (4) Hydrogen at cathode and oxygen at anode.

Last Answer : (1) Copper at eathode and oxygen at anode. Explanation: Copper is deposited at the cathode and is dissolved at the anode. Consequently the concentration of copper ions in solution remains constant. This can be used as a method of purification of copper as only pure copper is deposited at the cathode

Radiations which is not emitted during radioactivity is – (1) α rays (2) β rays (3) γ rays (4) Cathode rays

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In electro-refining, the pure metal is deposited on – (1) vessel (2) electrolyte (3) cathode (4) anode

Description : In electro-refining, the pure metal is deposited on – (1) vessel (2) electrolyte (3) cathode (4) anode

Last Answer : (3) cathode Explanation: In electro-refining, the anodes consist of unrefined impure metal, and as the current passes through the acidic electrolyte the anodes are corroded into the solution so ... pure metal onto the cathodes. Electrolytic refining is used to extract impurities from crude metals.

When cathode rays strike a target of high atomic weight, they give rise to – 1) α -rays (2) β and γ rays (3) X-rays (4) positive rays

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The cathode of a lead storage battery is made up of – (1) Zinc (2) Lead (3) Lead oxide (4) Manganese dioxide

Description : The cathode of a lead storage battery is made up of – (1) Zinc (2) Lead (3) Lead oxide (4) Manganese dioxide

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Explain the properties of cathode rays.

Description : Explain the properties of cathode rays.

Last Answer : Ans : Properties of Cathode Rays : (1) Path : They cast shadow of objects placed in their path towards the anode proving that they travel in straight lines. (2) Material Particles : They ... in the tube. (6) Kinetic Energy : They produce mechanical pressure indicating they possess kinetic energy.

What substance is produced at the cathode in the electrolysis of molten sodium chloride?

Description : What substance is produced at the cathode in the electrolysis of molten sodium chloride?

Last Answer : ANSWER: SODIUM

During electrolysis of water, what gas is evolved fro the cathode?

Description : During electrolysis of water, what gas is evolved fro the cathode?

Last Answer : ANSWER: HYDROGEN

In the common dry cell, the zinc atoms are: w) reduced at the cathode x) oxidized at the cathode y) oxidized at the anode z) reduced at the anode

Description : In the common dry cell, the zinc atoms are: w) reduced at the cathode x) oxidized at the cathode y) oxidized at the anode z) reduced at the anode

Last Answer : ANSWER: Y -- OXIDIZED AT THE ANODE

In electro-refining, the pure metal is deposited on (1) vessel (2) electrolyte (3) cathode (4) anode

Description : In electro-refining, the pure metal is deposited on (1) vessel (2) electrolyte (3) cathode (4) anode

Last Answer : cathode

When a spoon is to be electroplated with nickel the spoon is (1) dipped in a nickel sulphate solution (2) made anode and a pure nickel rod, the cathode (3) made cathode and a pure nickel red, the anode (4) coated with nickel sulphate and dried

Description : When a spoon is to be electroplated with nickel the spoon is (1) dipped in a nickel sulphate solution (2) made anode and a pure nickel rod, the cathode (3) made cathode and a pure nickel red, the anode (4) coated with nickel sulphate and dried

Last Answer : made cathode and a pure nickel red, the anode

Electrolysis of an aqueous solution of copper sulphate using copper electrodes gives (1) Copper at cathode and oxygen at anode. (2) Copper at anode and oxygen at cathode. (3) Copper at cathode and anodes dissolve to give copper. (4) Hydrogen at cathode and oxygen at anode.

Description : Electrolysis of an aqueous solution of copper sulphate using copper electrodes gives (1) Copper at cathode and oxygen at anode. (2) Copper at anode and oxygen at cathode. (3) Copper at cathode and anodes dissolve to give copper. (4) Hydrogen at cathode and oxygen at anode.

Last Answer : Copper at cathode and oxygen at anode.

The cathode of a lead storage battery is made up of (1) Zinc (2) Lead (3) Lead oxide (4) Manganese dioxide

Description : The cathode of a lead storage battery is made up of (1) Zinc (2) Lead (3) Lead oxide (4) Manganese dioxide

Last Answer : Lead

Which is not true with respect to cathode rays ? [1] (a) A stream of electrons. (b) Charged particles (c) Move with same speed as that of light. (d) Can be defl ected by magnetic fi eld -Science

Description : Which is not true with respect to cathode rays ? [1] (a) A stream of electrons. (b) Charged particles (c) Move with same speed as that of light. (d) Can be defl ected by magnetic fi eld -Science

Last Answer : Move with speed as that of light is not true with respect to cathode rays.

During electrolysis, which the species are discharged at cathode? -Do You Know?

Description : During electrolysis, which the species are discharged at cathode? -Do You Know?

Last Answer : answer:

What is a strong argument for the particle nature of cathode rays? -Do You Know?

Description : What is a strong argument for the particle nature of cathode rays? -Do You Know?

Last Answer : answer:

Who won the Nobel Prize for research on cathode rays ?

Description : Who won the Nobel Prize for research on cathode rays ?

Last Answer : Scientist John William Stratt 3rd Baron Lee won the Nobel Prize for his research on cathode rays .

Who did research on cathode light ?

Description : Who did research on cathode light ?

Last Answer : John William Stratt 3rd Baron Lee studied cathode light .

What is the charge of the cathode ?

Last Answer : Cactus is positively charged.