The forces of cathode ray particles due to electric and magnetic fields which are at right angles to each other balance each other. If the magnetic fi

The forces of cathode ray particles due to electric and magnetic fields which are at right angles to each other balance each other. If the magnetic fi
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The forces of cathode ray particles due to electric and magnetic fields which are at right angles to ... p.d. is required to produce this velocity?
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In a cathode ray tube, electric and magnesity of the magnetic fields are simultaneously applied at right angles to each other and the intensity of the

Description : In a cathode ray tube, electric and magnesity of the magnetic fields are simultaneously applied at right angles to each other and the intensity of the

Last Answer : In a cathode ray tube, electric and magnesity of the magnetic fields are simultaneously applied at right angles to each ... 01 T` and `E=50,000 V//m`.

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.

What are electromagnetic waves? A. Alternating currents in the core of an electromagnet B. A wave consisting of two electric fields at right angles to each other C. A wave consisting of an electric field and a magnetic field at right angles to each other D. A wave consisting of two magnetic fields at right angles to each other

Description : What are electromagnetic waves? A. Alternating currents in the core of an electromagnet B. A wave consisting of two electric fields at right angles to each other C. A wave consisting of an electric field ... to each other D. A wave consisting of two magnetic fields at right angles to each other

Last Answer : C. A wave consisting of an electric field and a magnetic field at right angles to each other

What are electromagnetic waves? A. A wave consisting of two magnetic fields at right angles to each other B. A wave consisting of an electric field and a magnetic field at right angles to each other. C. Alternating currents in the core of an electromagnet D. A wave consisting of two electric fields at right angles to each other

Description : What are electromagnetic waves? A. A wave consisting of two magnetic fields at right angles to each other B. A wave consisting of an electric field and a magnetic field at right angles to each ... core of an electromagnet D. A wave consisting of two electric fields at right angles to each other

Last Answer : B. A wave consisting of an electric field and a magnetic field at right angles to each other.

Why did the deflection of the beam by magnet suggest that the cathode ray contained charged particles?

Description : Why did the deflection of the beam by magnet suggest that the cathode ray contained charged particles?

Last Answer : Need answer

From which the cathode ray particles originate in a discharge tube?

Description : From which the cathode ray particles originate in a discharge tube?

Last Answer : Cathode

From which the cathode ray particles originate in a discharge tube

Description : From which the cathode ray particles originate in a discharge tube

Last Answer : Cathode

Which one of the following statement is incorrect regarding the electromagnetic radiation? (A) These are produced by the motion of electric charge (B) The oscillation of charged particles sets up changing electric fields (C) The changing electric fields induce the changing magnetic fields in the surrounding medium (D) None of these

Description : Which one of the following statement is incorrect regarding the electromagnetic radiation? (A) These are produced by the motion of electric charge (B) The oscillation of charged particles sets up ... electric fields induce the changing magnetic fields in the surrounding medium (D) None of these

Last Answer : Answer: Option D

Particle nature of cathode rays is proved due to the fact that they (A) Travel in a straight line (B) Get deflected by magnetic electric field (C) Produce fluorescence (D) Heat the exposed material

Description : Particle nature of cathode rays is proved due to the fact that they (A) Travel in a straight line (B) Get deflected by magnetic electric field (C) Produce fluorescence (D) Heat the exposed material

Last Answer : Option B

F = BIL can only be used if the magnetic field and electric current are A. at right angles to each other B. in same direction C. anti-parallel to each other D. anti-perpendicular to each other

Description : F = BIL can only be used if the magnetic field and electric current are A. at right angles to each other B. in same direction C. anti-parallel to each other D. anti-perpendicular to each other

Last Answer : at right angles to each other

In a flow net (A) Flow lines and equipotential lines cross each other at right angles (B) Fields are rectangles whose length is twice the breadth (C) Smaller the dimensions of the field, smaller will be the hydraulic gradient and velocity of flow through it (D) For homogeneous soil, the curves are smooth and circular

Description : In a flow net (A) Flow lines and equipotential lines cross each other at right angles (B) Fields are rectangles whose length is twice the breadth (C) Smaller the dimensions of the field, ... gradient and velocity of flow through it (D) For homogeneous soil, the curves are smooth and circular

Last Answer : Option A

A charged particle is moving in a UNIFORM magnetic field. If the direction of motion of the charged particle is at right angles to the magnetic field, describe the shape of the charged particle's path.

Description : A charged particle is moving in a UNIFORM magnetic field. If the direction of motion of the charged particle is at right angles to the magnetic field, describe the shape of the charged particle's path.

Last Answer : ANSWER: CIRCULAR or CIRCLE

Force due to magnetic field and velocity is A. at right angles to each other B. at acute angles with each other C. at obtuse angle with each other D. antiparallel to each othe

Description : Force due to magnetic field and velocity is A. at right angles to each other B. at acute angles with each other C. at obtuse angle with each other D. antiparallel to each othe

Last Answer : at right angles to each other

Two forces of 6 and 8 kg act at right angles to each other, the resultant force will be a.100 b.28 c.41 d.14 e.10

Description : Two forces of 6 and 8 kg act at right angles to each other, the resultant force will be a.100 b.28 c.41 d.14 e.10

Last Answer : e. 10

While propagating through homogeneous, isotropic media, (A) Directions of both the fields are orthogonal (B) Both the fields are at right angles to the direction of propagation (C) Both (a) and (b) (D) Neither (a) nor (b)

Description : While propagating through homogeneous, isotropic media, (A) Directions of both the fields are orthogonal (B) Both the fields are at right angles to the direction of propagation (C) Both (a) and (b) (D) Neither (a) nor (b)

Last Answer : Answer: Option C

To minimize magnetic field interaction between electrical conductors in physical proximity, it is best to keep them ___________________. A. parallel and as close as possible to each other B. at right angles and as close as possible to each other C. parallel to and as far as practicable from each other D. at right angles and as far as practicable from each other

Description : To minimize magnetic field interaction between electrical conductors in physical proximity, it is best to keep them ___________________. A. parallel and as close as possible to each other B. at right angles ... practicable from each other D. at right angles and as far as practicable from each other

Last Answer : Answer: D

Pick out the wrong statement. (A) The X-rays cannot be deflected by electric field unlike cathode rays (B) The intensity of X-rays can be measured by ionisation current produced due to the ionisation of gas by X-rays (C) The quality of X-rays can be controlled by varying the anode-cathode voltage (D) Crystal structure of a material can be studied by an electron microscope

Description : Pick out the wrong statement. (A) The X-rays cannot be deflected by electric field unlike cathode rays (B) The intensity of X-rays can be measured by ionisation current produced due to the ... the anode-cathode voltage (D) Crystal structure of a material can be studied by an electron microscope

Last Answer : (C) The quality of X-rays can be controlled by varying the anode-cathode voltage

Which is the electromagnetic wave ? ① Alpha ray , ② beta ray , gamma ray , ④ cathode ray

Description : Which is the electromagnetic wave ? ① Alpha ray , ② beta ray , gamma ray , ④ cathode ray

Last Answer : Gamma ray electromagnetic waves.

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

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

Last Answer : X-ray electromagnetic wave with short wavelength. Cathode ray, on the other hand, is a stream of fast moving electron particles.

What is a cathode ray ?

Description : What is a cathode ray ?

Last 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.

Why cathode ray can not be regarded as electromagnetic wave?

Description : Why cathode ray can not be regarded as electromagnetic wave?

Last Answer : A cathode ray is a stream of electrons, not a stream of photonslike the electromagnetic wave. It's a different type of particle.The electrons don't move at light speed in a vacuum; also, they areelectrically charged.

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

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

Last Answer : Feel Free to Answer

The first practical form of Random Access Memory was the __________ a) SSEM b) Cathode Ray Tube c) William’s Tube d) Thomas’s Tube

Description : The first practical form of Random Access Memory was the __________ a) SSEM b) Cathode Ray Tube c) William’s Tube d) Thomas’s Tube

Last Answer : Answer: c Explanation: The first practical form of RAM was the William’s Tube made in 1947. It stored data as electrically charged spots on the face of a Cathode Ray Tube

Which one among the following is not an electromagnetic wave? (1) X-Ray (2) R-Ray (3) Cathode Ray (4) Infrared Ray

Description : Which one among the following is not an electromagnetic wave? (1) X-Ray (2) R-Ray (3) Cathode Ray (4) Infrared Ray

Last Answer : (3) Cathode Ray Explanation: In physics, electromagnetic radiation (EMR) refers to the waves (or their quanta, photons) of the electro-magnetic field, propagating (radiating) through space carrying ... includes radio waves, microwaves, infrared, (visible) light, ultraviolet, X-, and gamma radiation.

The waveform of a certain signal can be studied by – (1) Spectrometer (2) Cathode ray oscilloscope (3) p - n junction diode (4) Sonometer

Description : The waveform of a certain signal can be studied by – (1) Spectrometer (2) Cathode ray oscilloscope (3) p - n junction diode (4) Sonometer

Last Answer : (4) Sonometer Explanation: A spectrometer is an instrument used to measure properties of light over a specific portion of the electromagnetic spectrum. Cathode ray oscilloscope is an electronic display ... electron beam that is used to produce visible patterns or graphs on a phosphorescent screen.

Cathode rays when obstructed by metal cause emission of - (1) γ – ray (2) X – ray (3) α – ray (4) β – ray

Description : Cathode rays when obstructed by metal cause emission of - (1) γ – ray (2) X – ray (3) α – ray (4) β – ray

Last Answer : B. X – ray

A squid axon is placed on stimulating electrodes, and an intracellular electrode is inserted and connected through a cathode-ray oscilloscope (CRO) to an indifferent electrode. When the axon is stimulated, the latent period is 1.5 ms. The intracellular electrode is 6 cm form the anode of the simulator and 4.5 cm from the cathode of the simulator. What is the conduction velocity of the axon. a. 15 m/s b. 30 m/s c. 40 m/s d. 67.5 m/s e. This cannot be determined from the information given

Description : A squid axon is placed on stimulating electrodes, and an intracellular electrode is inserted and connected through a cathode-ray oscilloscope (CRO) to an indifferent electrode. When the axon is stimulated, the latent ... . 40 m/s d. 67.5 m/s e. This cannot be determined from the information given

Last Answer : 30 m/s

CRT stands for: a) Ctrl, Refresh, Tab b) Cathode Ray Tube c) Catholic Ray Tuber d) None of These

Description : CRT stands for: a) Ctrl, Refresh, Tab b) Cathode Ray Tube c) Catholic Ray Tuber d) None of These

Last Answer : b) Cathode Ray Tube

CRT stands for: a) Compact Ray Tube b) Cathode Ray Tube c) Compatible Recognition Tool d) None of These

Description : CRT stands for: a) Compact Ray Tube b) Cathode Ray Tube c) Compatible Recognition Tool d) None of These

Last Answer : b) Cathode Ray Tube

Which of the following monitor types most closely resembles a television: a) flat panel b) cathode ray tube c) e - book reader d) data projector e) None of The Above

Description : Which of the following monitor types most closely resembles a television: a) flat panel b) cathode ray tube c) e - book reader d) data projector e) None of The Above

Last Answer : b) cathode ray tube

The ___ provides the visual display showing the form of the signal applied as a waveform on the front screen of a cathode ray oscilloscope

Description : The ___ provides the visual display showing the form of the signal applied as a waveform on the front screen of a cathode ray oscilloscope

Last Answer : CRT

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

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

Last Answer : cathode ray tube (CRT)

CRT stands for: a. Cathode ray tube b. Compared ray tube c. Command ray tube d. None of these

Description : CRT stands for: a. Cathode ray tube b. Compared ray tube c. Command ray tube d. None of these

Last Answer : a. Cathode ray tube

The beam that leaves the target is called, A. The primary X-ray B. The electrons ( from the cathode) C. The secondary rays (scattered radiation) D. X-ray photons no

Description : The beam that leaves the target is called, A. The primary X-ray B. The electrons ( from the cathode) C. The secondary rays (scattered radiation) D. X-ray photons no

Last Answer : A. The primary X-ray

.What is The Full form of CART A)Computer Analysis and Response Team B) Cathode Analog Ray Tube C)Computer Accessories Repairing team D)None

Description : .What is The Full form of CART A)Computer Analysis and Response Team B) Cathode Analog Ray Tube C)Computer Accessories Repairing team D)None

Last Answer : A)Computer Analysis and Response Team

What is The Full form of CART A)Computer Analysis and Response Team B) Cathode Analog Ray Tube C)Computer Accessories Repairing team D)None

Description : What is The Full form of CART A)Computer Analysis and Response Team B) Cathode Analog Ray Tube C)Computer Accessories Repairing team D)None

Last Answer : A)Computer Analysis and Response Team

What is The Full form of CART A)Computer Analysis and Response Team B) Cathode Analog Ray Tube C)Computer Accessories Repairing team D)None

Description : What is The Full form of CART A)Computer Analysis and Response Team B) Cathode Analog Ray Tube C)Computer Accessories Repairing team D)None

Last Answer : A)Computer Analysis and Response Team

Which one among the following is not an electromagnetic wave? (1) X-Ray (2) R-Ray (3) Cathode Ray (4) Infrared Ray

Description : Which one among the following is not an electromagnetic wave? (1) X-Ray (2) R-Ray (3) Cathode Ray (4) Infrared Ray

Last Answer : Cathode Ray

The waveform of a certain signal can be studied by (1) Spectrometer (2) Cathode ray oscilloscope (3) p – n junction diode (4) Sonometer

Description : The waveform of a certain signal can be studied by (1) Spectrometer (2) Cathode ray oscilloscope (3) p – n junction diode (4) Sonometer

Last Answer : Sonometer

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

Description : The time base signal in Cathode Ray Oscilloscope (CRO) is  (1) A square wave signal (2) A sawtooth signal (3) A triangular wave signal (4) A sinusoidal signal

Last Answer : 2 Saw tooth 

What is Cathode ray tube ?

Description : What is Cathode ray tube ?

Last Answer : Cathode ray tube (CRT) is a vacuum tube using cathode rays to generate a picture on a fluorescent screen. These cathode rays are in fact the electron beam deflected and modulated, which impinges on a ... tube used to display data in a visual form. Picture tube of a television or computer terminal.

What are the OBSERVED differences between electric and magnetic fields?

Description : What are the OBSERVED differences between electric and magnetic fields?

Last Answer : answer:A changing magnetic field creates an electric current (a flow of electrically charged material). A changing electric current, in turn, creates a magnetic field.

A charged particle with a velocity `2xx10^(3) ms^(-1)` passes undeflected through electric field and magnetic fields in mutually perpendicular directi

Description : A charged particle with a velocity `2xx10^(3) ms^(-1)` passes undeflected through electric field and magnetic fields in mutually perpendicular directi

Last Answer : A charged particle with a velocity `2xx10^(3) ms^(-1)` passes undeflected through electric field and magnetic fields ... 1)` D. `1.33xx10^(3)NC^(-1)`

What kinds of waves are produced by disturbances in electric and magnetic fields?

Description : What kinds of waves are produced by disturbances in electric and magnetic fields?

Last Answer : Feel Free to Answer

What is meant by referring to electromagnetic waves as horizontally polarized? A. The electric field is parallel to the earth. B. The magnetic field is parallel to the earth. C. Both the electric and magnetic fields are horizontal D. Both the electric and magnetic fields are vertical

Description : What is meant by referring to electromagnetic waves as horizontally polarized? A. The electric field is parallel to the earth. B. The magnetic field is parallel to the earth. C. Both the electric and magnetic fields are horizontal D. Both the electric and magnetic fields are vertical

Last Answer : A. The electric field is parallel to the earth.

What is meant by referring to electromagnetic waves as horizontally polarized? A. The electric field is parallel to the earth B. Both the electric and magnetic fields are vertical C. Both the electric and magnetic fields are horizontal D. The magnetic fields is parallel to the earth

Description : What is meant by referring to electromagnetic waves as horizontally polarized? A. The electric field is parallel to the earth B. Both the electric and magnetic fields are vertical C. Both the electric and magnetic fields are horizontal D. The magnetic fields is parallel to the earth

Last Answer : A. The electric field is parallel to the earth

An electromagnetic wave consists of A. a magnetic field only B. both electric and magnetic fields C. an electric field only D. non-magnetic field only

Description : An electromagnetic wave consists of A. a magnetic field only B. both electric and magnetic fields C. an electric field only D. non-magnetic field only

Last Answer : B. both electric and magnetic fields

The waves associated with electric and magnetic fields, resulting from the acceleration of an electric charge are called

Description : The waves associated with electric and magnetic fields, resulting from the acceleration of an electric charge are called

Last Answer : electromagnetic waves.

Fields that act on objects with masses are A. electric fieldsB. magnetic fields C. force fields D. gravitational fields

Description : Fields that act on objects with masses are A. electric fieldsB. magnetic fields C. force fields D. gravitational fields

Last Answer : gravitational fields