What is the energy of an electromagnetic wave with a frequency of 3x10 9 HZ?

What is the energy of an electromagnetic wave with a frequency of 3x10 9 HZ?
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What is the energy of a electromagnetic wave with a frequency of 3 x 109 Hz?

Description : What is the energy of a electromagnetic wave with a frequency of 3 x 109 Hz?

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What is the photon energy for an infrared wave with frequency of 1012 Hz? a. 10.6 x 1034 joules b. 6.63 x 10-34 joules c. 6.63 x 10-22 joules d. 10.6 x 1022 joules

Description : What is the photon energy for an infrared wave with frequency of 1012 Hz? a. 10.6 x 1034 joules b. 6.63 x 10-34 joules c. 6.63 x 10-22 joules d. 10.6 x 1022 joules

Last Answer : c. 6.63 x 10-22 joules

What is the photon energy for an infrared wave with frequency of 1012 Hz? ∙ a. 10.6 x 1034 joules ∙ b. 6.63 x 10-34 joules ∙ c. 6.63 x 10-22 joules ∙ d. 10.6 x 1022 joules

Description : What is the photon energy for an infrared wave with frequency of 1012 Hz? ∙ a. 10.6 x 1034 joules ∙ b. 6.63 x 10-34 joules ∙ c. 6.63 x 10-22 joules ∙ d. 10.6 x 1022 joules

Last Answer : ∙ c. 6.63 x 10-22 joules

A proton is projected with a speed of `3X10^6 ms ^(-1)` horizontally from est to west. A uniform magnetic field `vec B` of strength `2.0X10^(-3)` T ex

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Description : What is the wavelength of an earthquake wave if it has a speed of 14 kms and a frequency of 10 Hz?

Last Answer : speed = wavelength x frequencywavelength = speed/frequencyspeed = 14 km/s , frequency = 10 Hz = 10/swavelength = (14 km/s)/(10/s) = 1.4 km

A travelling wave passes a point of observation where the time interval between successive crests is 0.2 s. Which of the following is then true? (a) The wavelength is 5 m (b) The wavelength is 0.2 m (c) The velocity of propagation is 5 m/s (d) The frequency of 5 Hz.

Description : A travelling wave passes a point of observation where the time interval between successive crests is 0.2 s. Which of the following is then true? (a) The wavelength is 5 m (b) The wavelength is 0.2 m (c) The velocity of propagation is 5 m/s (d) The frequency of 5 Hz.

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If the phase difference between two points is 120° for a wave with velocity of 360 m/ and frequency 500 Hz, then path difference between the two points is – (1) 1 cm (2) 6 cm (3) 12 cm (4) 24 cm

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Last Answer : Answer: C

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Last Answer : Answer: Option D

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Last Answer : 120 hertz.

What is the ripple frequency of a full-wave rectifier with an input frequency of 60 Hz?

Description : What is the ripple frequency of a full-wave rectifier with an input frequency of 60 Hz?

Last Answer : 120 hertz.

What is the Ripple frequency of a half-wave rectifier if the input frequency is 60 Hz?

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Last Answer : 60 hertz.

The frequency of a wave travelling at a speed of 500 ms-1 is 25 Hz. Its time period will be ______. (i) 20 s (ii) 0.05 s (iii) 25 s (iv) 0.04 s

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If the phase difference between two points is 120° for a wave with velocity of 360 m/ and frequency 500 Hz, then path difference between the two points is (1) 1 cm (2) 6 cm (3) 12 cm (4) 24 cm

Description : If the phase difference between two points is 120° for a wave with velocity of 360 m/ and frequency 500 Hz, then path difference between the two points is (1) 1 cm (2) 6 cm (3) 12 cm (4) 24 cm

Last Answer : 24 cm

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Last Answer :  If a wave has frequency of 2 Hz, it has a period of 1/2 s.

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A car having a mass of 1000 kg deflects its springs 4 cm under its load. Determine the natural frequency of the car in vertical direction. A 5 HzB 4.67 Hz C 9.8 Hz D 2.49 Hz

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Last Answer : C. 11.14 Hz

A car having a mass of 1000 kg deflects its springs 4 cm under its load. D Determine the natural frequency of the car in vertical direction. (A)5 Hz (B) 4.67 Hz (C) 9.8 Hz (D) 2.49 Hz

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A system has a mass of 0.5 kg and spring stiffness of 2452 N/m. Find the natural frequency of the system. (A) 5.14 Hz (B) 9.14 Hz (C) 11.14 Hz (D) 28.14 Hz

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Last Answer : (C) 11.14 Hz

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Description : Heating 235 g of water from 22.6 degrees C to 94.4 degrees C in a microwave oven requires 7.06x10^4 J of energy. If the microwave frequency is 2.88x10^10 Hz, how many quanta are required to supply the 7.06x10^4 J?

Last Answer : answer:Guidelines. I don’t mean to be the bearer of bad news…

A special type of transmission line that consist of conducting metallic tube through which high frequency electromagnetic energy is propagated

Description : A special type of transmission line that consist of conducting metallic tube through which high frequency electromagnetic energy is propagated

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Last Answer : D. 40

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In a half-wave rectifier, if an a.c supply is 60 Hz. Then what is the a.c ripple at output?

Description : In a half-wave rectifier, if an a.c supply is 60 Hz. Then what is the a.c ripple at output? (A) 30 Hz (B) 60 Hz (C) 20 Hz (D) 15 Hz

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Description : The equation of 50 Hz current sine wave having r.m.s. value of 60 A is?

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A sinusoidal voltage of 5 Hz is applied to the field of a shunt generator. The armature voltage wave?

Description : A sinusoidal voltage of 5 Hz is applied to the field of a shunt generator. The armature voltage wave?

Last Answer : A sinusoidal voltage of 5 Hz is applied to the field of a shunt generator. The armature voltage wave will be of 5 Hz.

Who firstly demonstrated experimentally the existence of electromagnetic wave? -General Knowledge

Description : Who firstly demonstrated experimentally the existence of electromagnetic wave? -General Knowledge

Last Answer : The answer is 'Hertz'

Who firstly demonstrated experimentally the existence of electromagnetic wave? -General Knowledge

Description : Who firstly demonstrated experimentally the existence of electromagnetic wave? -General Knowledge

Last Answer : answer:

Who firstly demonstrated experimentally the existence of electromagnetic wave? -General Knowledge

Description : Who firstly demonstrated experimentally the existence of electromagnetic wave? -General Knowledge

Last Answer : answer:

is An electromagnetic wave is a mechanical wave/true or false?

Description : is An electromagnetic wave is a mechanical wave/true or false?

Last Answer : an electromagnetic wave is not a mechanical wave

Who invented the electromagnetic wave ?

Description : Who invented the electromagnetic wave ?

Last Answer : Scientist Maxwell discovered.

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 Electromagnetic Wave ?

Last Answer : Waves that do not require any medium to conduct are called electromagnetic waves.

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.

How are the different types of electromagnetic wave organized?

Description : How are the different types of electromagnetic wave organized?

Last Answer : By frequency on the electromagnetic spectrum

Is heat an electromagnetic wave or mechanical wave?

Description : Is heat an electromagnetic wave or mechanical wave?

Last Answer : Radiant heat is electromagnetic radiation.Thermal heat is the micro kinetic energy of the component atomsor molecules of a material substance.The "or" of the question can not be answered because there is no"or" involved.