A bright, tightly focused laser pointer emits 1.0 mW of light power into a beam that is 1.0 mm in diameter. What is the intensity of the laser beam?

Q: An electromagnetic wave has a wavelength of 6.12 x 10^-6 m. In what region of the electromagnetic…

A:

Q: What is the frequency of a microwave with wavelength of 6 x 10-2 m?

A: Given: Wavelength of microwave= 6×10^-2 m

Q: A positively-charged object with a mass of 0.183 kg oscillates at the end of a spring, generating…

A:

Q: wave is 45 kHz and the speed of wave is 300 m/s . Find the wavelength

A: The frequency of the wave is f = 45 kHz  The speed of the wave is v = 300 m/s  Find:-  The…

Q: A large solar panel on a spacecraft in earth orbit produces 1.0 kW of power when the panel is turned…

A: Given A large solar panel on a spacecraft in earth orbit produces 1.0 kW of power when the panel is…

Q: A radio station transmits radio waves with a frequently of 1200 kHz. What is the wavelength of the…

A: Given that - Frequency of the radio waves emitting from the radio station. To Find - We have to…

Q: What is the frequency of blue light that has a wavelength of 470 nm?

A: Solution: Wavelength, speed of light an frequency are connected by following equation: λ = c/ν c =…

Q: What is the frequency of blue light with a wavelength of 385 nm ?

A: Given:  wavelength = 385 nm

Q: an AM radio station is operating at 990k Hz what is the wavelength and energy of the frequency?

A:

Q: What is the frequency of blue light that has a wavelength of 468 nm?

A:

Q: Radio waves are an example of a. Longitudinal waves b. Sound waves С. Mechanical waves d. Transverse…

A: Radio waves are an example of Transverse waves.

Q: gamma ray has a wavelength of 1x10-12. What is its frequency? c=3x108 m/s

A: Given  Let Wavelength = Y Y= 1*10^(-12) m C = 3*10⁸ m/s

Q: What is the frequency of blue light that has a wavelength of 467 nm?

A: Given that   wavelength of blue light = 467 nm. Question ? frequency of blue light ?

Q: What is the difference between AM and FM radio?  a. AM radio is for talk shows, FM radio is for…

A: Answer Amplitude modulation (AM) Amplitude modulation is a modulation technique where the amplitude…

Q: What is the wavelength of a 340Hz tone in air? What is the wavelength of a 34,000Hz ultrasonic wave…

A:

Q: What is the frequency of blue light with a wavelength of 450 nm?

A: The equation for frequency can be given as

Q: What is the energy of a wave if its wavelength is 720nm?

A: The relationship between wavelength/frequecy and energy is given by    E = hv Here h is planck's…

Q: Light is an electromagnetic wave and travels at a speed of 14.63 m/s. The human eye is most…

A:

Q: What is frequency of a wave having a wave length of 613 nm?

A: Write the expression for the frequency. Here, c represents the speed of light and λ represents the…

Q: What is the frequency of blue light (a) that has a wavelength of 438.6 nm?

A:

Q: The wavelength of a light from a neon gas lamp is 607.4 nanometers. What is the frequency?

A:

Q: A radar pulse returns 4.0x 10-8 s after it was sent out and reflected by an object what is the total…

A: Formula of distance traveled by radar pulse is as follows; d=t2×c…

Q: What is the intensity of a 120 -W light bulb at a distance 6 cm from the bulb's center?

A: Given that: P=120 W d=6 cm =0.06 m

Q: Blue light has a frequency of about 7.5 x 10^14 Hz.  What is the corresponding wavelength?

A: The expression for the wavelength is,

Q: The range for audible sound for the human ear is 120HZ to 150HZ 200HZ to 200,000HZ 20HZ to 20,000HZ…

A: Frequency is defined as the number of circumstances of a repeating event for every unit of time.…

Q: What is the frequency of blue light that has a wavelength of 446 nm?

A: Given wavelenght of blue light L= 446nm Speed of light c= 3×10^8 m/s

Q: A harp stnng supports a wave with a wavelength of 2.3m and a frequency of 220Hz. Calculate its wave…

A: The wave speed is given by v=νλ=220 Hz2.3 m=506 m/s

Q: An electromagnetic wave traveling through a vacuum has a wavelength of 1.5 x 10 meter. What is the…

A: Given  Wavelength of the wave , lambda= 1.5*10-1 meter  Speed of light in vaccum = c =3*108…

Q: he red light emitted by a helium-neon laser has a wavelength of 632.8 mm. What is the frequency of…

A: Given: The wavelength of red light is 632.8 nm.

Q: What is the frequency in Hz of electromagnetic radiation with wavelength 1.5 km ?

A: Given data The wavelength of the radiation is given as λ=1.5 km.

Q: Radio waves travel at the speed of light, c = 3.00 x 108 m/s. Find the wavelength of radio waves (in…

A: Given data: Speed of light (c) = 3.00 × 108 m/s Frequency (f) = 486 kHz Required:  Wavelength (λ) in…

Q: A Whirlpool Microwave oven uses light with a wavelength of 0.85 m to cook your food. What is the…

A: 1. As per the given condition, the wavelength of light used in the microwave is 0.85 m  λ= 0.85 mand…

Q: What is the frequency of blue light that has a wavelength of 451 nm?

A: Wavelength of blue light, λ=451 nm⇒451×10-9 m Let frequency of blue light be f.

Q: Light is an electromagnetic wave and travels at a speed of 3.00 × 108 m/s. The human eye is most…

A:

Q: Radio waves transmitted through space travel at 3.00 x 10$ m/s. If their wavelength is 0.240 m, what…

A:

Q: The wavelength of a progressive wave is 3.1 m. What is the phase difference between two points which…

A: Wavelength of a progressive wave (λ) = 3.1 m Path difference (∆x) = 0.6 m

Q: Radio waves transmitted through space at 3 x10°m/s by the Voyager spacecraft have a wavelength of…

A: Given data:  Speed (v) = 3×108 m/s Wavelength (λ) = 0.133 m Required: The frequency (f)

Q: If a sample of blue light has a wavelength of 4 x 10-7 meters, then what is its frequency, assuming…

A:

Q: In laser eye surgery, each laser pulse has power of 70 kW. The beam focuses on a circle of 0.6 mm…

A: Given Power of laser pulse = 70 kW Radius of circle on which light is focused = 0.6 mm We have to…

Q: What is the frequency of blue light that has a wavelength of 445 nm?

A: Wavelength - Distance between the two adjacent points (troughs or crests) in adjacent cycles of…

Q: A mobile phone network uses microwaves to transmit signals between mobile phones and masts. The…

A:

Q: The intensity of a television signal varies indirectly as the square of the distance from the…

A: Intensity of a television is indirectly as square of distance from transmitter  I=kd2 Given : I=20…

Q: A radar wave reaches the target at a time of 2 x 104 sec, the corresponding radar range is

A:

Q: What is the intensity of 60db?

A: The sound intensity level is β = 60 db.

Q: what is wavelength of 147hz sound in air

A: The equation for the wavelength of sound is given as

Q: A microwave has a frequency of 4.55x10^11 Hz     .  What is its wavelength?

A: Let the microwave’s frequency is denoted by f.