Which pairs of rays is electromagnetic in nature? -Do You Know?

Last Answer : A LCD TV will be fine. You can put a huge speaker next to a CRT TV and it will do the same. The condenser in the fridge is acting like a big magnet. A LCD TV should not be bothered by it.

Actinic means related to chemically active rays of the electromagnetic spectrum. A. True B. False

Description : Actinic means related to chemically active rays of the electromagnetic spectrum. A. True B. False

Last Answer : Ans: A

Consider the following statements: 1. The nuclear forces are short range forces. 2. Alpha rays emitted by a radionuclide are helium nucleus. 3. Gamma rays are electromagnetic waves. 4. Beta rays emitted by a radionuclide are negatively charged particles. The correct statements are: (a) 1, 2 and 4 only (b) 1, 3 and 4 only (c) 1, 2, 3 and 4 (d) 1, 2 and 3 only

Description : Consider the following statements: 1. The nuclear forces are short range forces. 2. Alpha rays emitted by a radionuclide are helium nucleus. 3. Gamma rays are electromagnetic waves. 4. Beta rays emitted by a radionuclide are negatively ... 1, 3 and 4 only (c) 1, 2, 3 and 4 (d) 1, 2 and 3 only

Last Answer : Ans:(c)

Gamma rays are - (1) High energy electrons (2) Low energy electrons (3) High energy electromagnetic (4) High energy positron waves

Description : Gamma rays are - (1) High energy electrons (2) Low energy electrons (3) High energy electromagnetic (4) High energy positron waves

Last Answer : (3) High energy electromagnetic Explanation: Gamma rays (γ) refer to electromagnetic radiation of an extremely high frequency and therefore consist of high energy photons.

Indicate the correct arrangement for electromagnetic radiation in order of their increasing wavelength. (1) Microwave, infrared, visible. X-rays (2) X-rays, visible, infrared, microwave (3) Visible, infrared, microwave, X-rays (4) X-rays, infrared, visible, microwave

Description : Indicate the correct arrangement for electromagnetic radiation in order of their increasing wavelength. (1) Microwave, infrared, visible. X-rays (2) X-rays, visible, infrared, microwave (3) Visible, infrared, microwave, X-rays (4) X-rays, infrared, visible, microwave

Last Answer : (4) X-rays, infrared, visible, microwave Explanation: The Electromagnetic spectrum in order of decreasing energy, thus increasing wavelength : Gamma Rays-wavelength: 0.01 nm ; X-rays -1 nm ; Ultra-violet Rays-0.1 ... -10 m ; and Very High Frequency (VHF) and Ultra High Frequency (UHF): 10 m-10 cm.

Beta rays emitted by a radioactive material are – (1) The electrons orbiting around the nucleus (2) Charged particles emitted by nucleus (3) Neutral particles (4) Electromagnetic radiations

Description : Beta rays emitted by a radioactive material are – (1) The electrons orbiting around the nucleus (2) Charged particles emitted by nucleus (3) Neutral particles (4) Electromagnetic radiations

Last Answer : (2) Charged particles emitted by nucleus Explanation: A beta ray is a high-energy, highspeed electron (negatively charged) or positron (positively charged) emitted in the radioactive decay of an atomic nucleus, such as a potassium40 nucleus, in the process of beta decay.

X- rays are ______ waves. (1) Longitudinal (2) Transverse (3) Electromagnetic (4) Elastic

Description : X- rays are ______ waves. (1) Longitudinal (2) Transverse (3) Electromagnetic (4) Elastic

Last Answer : (3) Electromagnetic Explanation: X-rays are a form of electromagnetic radiation as are radio waves.

Radio waves, microwaves, infra-red spectrum, ultraviolet rays, X-rays and gamma rays are classified as ______. (1) light waves (2) electromagnetic waves (3) electric waves (4) magnetic waves

Description : Radio waves, microwaves, infra-red spectrum, ultraviolet rays, X-rays and gamma rays are classified as ______. (1) light waves (2) electromagnetic waves (3) electric waves (4) magnetic waves

Last Answer : (2) electromagnetic waves Explanation: Electromagnetic radiation is the radiant energy released by certain electromagnetic processes. It consists of electromagnetic waves which are synchronized oscillations of electric and magnetic fields that propagate at the speed of light through a vacuum.

Any energy which radiates in the form of radio waves, infrared waves, light waves, x-rays, etc. A. Radiant energy B. Electromagnetic C. Heat D. Ultraviolet

Description : Any energy which radiates in the form of radio waves, infrared waves, light waves, x-rays, etc. A. Radiant energy B. Electromagnetic C. Heat D. Ultraviolet

Last Answer : B. Electromagnetic

What are the electromagnetic radiations of wavelengths less than 300 angstroms? A. X-rays B. Ultraviolet rays C. Infrared D. Microwaves

Description : What are the electromagnetic radiations of wavelengths less than 300 angstroms? A. X-rays B. Ultraviolet rays C. Infrared D. Microwaves

Last Answer : A. X-rays

All of the following are electromagnetic radiations except-----? A. Red light B. Sound waves (Answer) C. X-Rays D. Photon

Description : All of the following are electromagnetic radiations except-----? A. Red light B. Sound waves (Answer) C. X-Rays D. Photon

Last Answer : B. Sound waves (Answer)

Electromagnetic spectrum contains: (A) Gamma rays (wave length < 10-10 m) (B) Ultraviolet rays (wave length < 10-6 m) (C) Infrared rays (wave length < 10-4 m) (D) All of these

Description : Electromagnetic spectrum contains: (A) Gamma rays (wave length < 10-10 m) (B) Ultraviolet rays (wave length < 10-6 m) (C) Infrared rays (wave length < 10-4 m) (D) All of these

Last Answer : Answer: Option D

Beta rays emitted by a radioactive material are (1) The electrons orbiting around the nucleus (2) Charged particles emitted by nucleus (3) Neutral particles (4) Electromagnetic radiations

Description : Beta rays emitted by a radioactive material are (1) The electrons orbiting around the nucleus (2) Charged particles emitted by nucleus (3) Neutral particles (4) Electromagnetic radiations

Last Answer : Charged particles emitted by nucleus

Indicate the correct arrangement for electromagnetic radiation in order of their increasing wavelength. (1) Microwave, infrared, visible. X-rays (2) X -rays, visible, infrared, microwave (3) Visible, infrared, microwave, X-rays (4) X - rays, infrared, visible, microwave.

Description : Indicate the correct arrangement for electromagnetic radiation in order of their increasing wavelength. (1) Microwave, infrared, visible. X-rays (2) X -rays, visible, infrared, microwave (3) Visible, infrared, microwave, X-rays (4) X - rays, infrared, visible, microwave.

Last Answer : X - rays, infrared, visible, microwave.

What is Electromagnetic radiation with maximum wavelength? -Do You Know?

Description : What is Electromagnetic radiation with maximum wavelength? -Do You Know?

Last Answer : answer:

The working of optical is based on which of electromagnetic waves? -Do You Know?

Description : The working of optical is based on which of electromagnetic waves? -Do You Know?

Last Answer : answer:

Who firstly predicated the existence of electromagnetic waves? -Do You Know?

Description : Who firstly predicated the existence of electromagnetic waves? -Do You Know?

Last Answer : answer:

Microwaves are electromagnetic waves with frequency, in the range of which unit? -Do You Know?

Description : Microwaves are electromagnetic waves with frequency, in the range of which unit? -Do You Know?

Last Answer : Microwaves have frequencies ranging from about 1 billion cycles per second, or 1 gigahertz (GHz), up to about 300 gigahertz and wavelengths of about 30 centimeters (12 inches) to 1 millimeter (0.04 inches),

Why did scientists debate the nature of electromagnetic radiation for more than 200 years?

Description : Why did scientists debate the nature of electromagnetic radiation for more than 200 years?

Last Answer : They lacked a definitive answer.

What is caused by the transverse nature of electromagnetic waves? A. Polarization B. Interference C. Beamwidth D. Gain

Description : What is caused by the transverse nature of electromagnetic waves? A. Polarization B. Interference C. Beamwidth D. Gain

Last Answer : A. Polarization

Which is not electromagnetic in nature?

Description : Which is not electromagnetic in nature?

Last Answer : Cathode rays

Electromagnetic waves are longitudinal in nature. State True/False. a) True b) False

Description : Electromagnetic waves are longitudinal in nature. State True/False. a) True b) False

Last Answer : b) False

The Grand Unified Theory of the forces of nature combines three of the four forces. Which force is NOT included? w) gravitational x) electromagnetic y) weak nuclear z) strong nuclear

Description : The Grand Unified Theory of the forces of nature combines three of the four forces. Which force is NOT included? w) gravitational x) electromagnetic y) weak nuclear z) strong nuclear

Last Answer : ANSWER: W -- GRAVITATIONAL

1. Which can be abolished but not dissolved? 2. Which is not electromagnetic in nature? 3. Who has written the famous book ‘Mankind and Mother Earth? 4. Which would be the shortest route from San Francisco to Vladivostok? 5. Who founded the ‘East India Association’?

Description : 1. Which can be abolished but not dissolved? 2. Which is not electromagnetic in nature? 3. Who has written the famous book Mankind and Mother Earth? 4. Which would be the ... included in the North-West pacific fishing grounds? 20. When did Ikhtiyaruddin-bin-Bakhtiyar Khalji invade Bengal?

Last Answer : Answer : 1. State Legislative Council 2. Cathode rays 3. Bertrand Russell 4. Flying over the Pacific Ocean 5. Dadabhai Naoroji 6. Promoting adult literacy 7. 7.35-7.45 8. Union Government 9. Change of ... 15. Kural 16. Ronald Ross 17. 66 subjects 18. Total internal reflection 19. Japan 20. 1206 AD

Who discovered electromagnetic nature of light ? (1) Snell (2) Newton (3) Maxwell (4) Young

Description : Who discovered electromagnetic nature of light ? (1) Snell (2) Newton (3) Maxwell (4) Young

Last Answer : Maxwell

Which city will never get the vertical rays of the Sun? -Do You Know?

Description : Which city will never get the vertical rays of the Sun? -Do You Know?

Last Answer : answer:

Which type of glass can cut off ultraviolet rays? -Do You Know?