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. The electrons in the cathode rays would deflect toward the positively charged plates, and away from the negatively charged plates.

How do negatively charged plates affect the path of cathode rays? Negatively charged plates deflect/repel the cathode rays. The resulting glowing beam consisted of tiny negatively charged particles moving at high speed. Thomson concluded that electrons must be parts of the atoms of all elements.

They impart a negative charge to metals exposed to them. Cathode rays are deflected away from a negatively charged plate because they are negatively charged particles.

A cathode ray tube consists of a sealed glass tube fitted at both ends with metal disks called electrodes. The electrodes are then connected to a source of electricity. One electrode, called the anode, becomes positively charged while the other electrode, called the cathode, becomes negatively charged.

Cathode rays are so named because they are emitted by the negative electrode, or cathode, in a vacuum tube. They travel in straight lines through the empty tube. The voltage applied between the electrodes accelerates these low mass particles to high velocities.

Eugen Goldstein coined the term cathode rays in 1876. They were called cathode rays because they were emitted from the cathode of the vacuum tube. The term cathode ray is obsolete; today the rays would be described as a beam of electrons.

hydrogen gas

Cathode rays are invisible, but their presence was first detected in early vacuum tubes when they struck the glass wall of the tube, exciting the atoms of the glass and causing them to emit light—a glow called fluorescence.

Generally cathode rays are referred to as electrons and anode rays are protons. Cathode rays are produced at the cathode which is the positive side….How do cathode rays differ from anode rays?

Property 1: Cathode rays travel in a straight line and can cast sharp shadows. Property 2: Cathode rays are negatively charged. Property 3: Electric field and magnetic field deflect cathode rays.

Thomson’s experiments with cathode ray tubes showed that all atoms contain tiny negatively charged subatomic particles or electrons. Thomson proposed the plum pudding model of the atom, which had negatively-charged electrons embedded within a positively-charged “soup.”

Cathode rays are negatively charged as they are made of negatively charged particles. Anode rays are positively charged as they are made of positively charged particles.

A cathode ray tube (CRT) is a specialized vacuumtube in which images are produced when an electron beam strikes aphosphorescent surface. Most desktop computer displays make useof CRTs. A cathode ray tube consists of several basiccomponents, as illustrated below. The electron gun generates anarrow beam of electrons.

The cathode ray tube (CRT) is a vacuum tube containing one or more electron guns (a source of directed electrons) and a fluorescent screen used to view images. It has a means to accelerate and deflect the electron beam onto the fluorescent screen to create the images.

Discharge tube is also called “CROOCK TUBE”. It is made of a glass tube which consists of two metallic plates. The tube is filled with any gas. EXPERIMENT. In discharge tube experiment, at low pressure and at very high voltage, an electric current is passed.

A CRT consists of three basic parts: the electron gun assembly, the phosphor viewing surface, and the glass envelope. The electron gun assembly consists of a heated metal cathode surrounded by a metal anode. The cathode is given a negative electrical voltage and the anode a positive voltage.

Cathode-ray tube, a display.

It consists of six parts namely heater, a cathode, a grid, a pre-accelerating anode, a focusing anode and an accelerating anode. In order to obtain the high emission of electrons the layer of barium oxide (which is deposited on the end of cathode) is indirectly heated at moderate temperature.

Criminal Records Office

CHIS – Covert Human Intelligence Source.

Throwback Thursday

Superintendents of

Only a very strong Collector normally prevails over an SP. Till 1965, the Annual Confidential Report (ACR) of the SP was written by the Collector and that of the Deputy SP by the SDM. Thus in administrative set up, the SP was under the thumb of the Collector.

For an entry-level Additional Superintendent of Police (ASP) officer, the salary is Rs. 67,700. Going higher in the hierarchy, Superintendent of Police (SP) officer earns Rs. 78,800.

At the district level, the District Magistrate also give directions to the Superintendent of Police and supervise police administration. The powers such as issuing orders for preventive arrests or imposition of Section 144 CrPC are vested in the DM.