Description : When light is traveling through a vacuum, what is the product of the light's wavelength and frequency equal to? w) speed of light x) Plank's constant y) momentum z) wave number
Last Answer : ANSWER: W -- SPEED OF LIGHT
Description : If we wrap a second wire around a guitar string to increase its mass what effect does this have on the frequency and wavelength of the fundamental standing wave formed on that string?
Last Answer : What is the answer ?
Description : What is the speed of the wave if the frequency is 80 Hz and the wavelength is 4m?
Last Answer : The speed of any wave is the product of frequency xwavelength.
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
Description : If a wave has a frequency of 20hz and a wavelength of 2.5m what is the wave speed?
Last Answer : Need answer
Description : The speed of any mechanical wave as it propagates through a medium is dependent mainly on the A. frequency of the wave source B. wavelength C. period of the wave D. type of medium through which the wave travels E. amplitude
Last Answer : D. type of medium through which the wave travels
Description : What is the wavelength in millimeters of a sound wave whose frequency is 35 KILOHERTZ. Assume the speed of sound is 350 METERS PER SECOND? w) 100 millimeters x) 1,000 millimeters y) 10 millimeters z) 1/10 millimeters
Last Answer : ANSWER: Y -- 10 MILLIMETERS
Description : The speed at which a wave propagates down a string is 300 meters per second. If the frequency of this wave is 150 Hertz, what is the wavelength of this wave?
Last Answer : ANSWER: 2 METERS
Description : When a light wave is reflected from a mirror, there is a change in its – (1) frequency (2) amplitude (3) wavelength (4) velocity
Last Answer : (2) amplitude Explanation: When a light wave is reflected from an object, it changes not only its amplitude but also its phase according to the properties of the object at a particular point. The velocity and momentum are just reversed in another direction.
Description : When a light wave is reflected from a mirror, there is a change in its (1) frequency (2) amplitude (3) wavelength (4) velocity
Last Answer : amplitude
Description : An instrument has two strings. Both have the same length and are uniform. One of the strings is under twice as much tension as the other and also twice the mass of the other. Then which of ... d) Both strings vibrate with the same frequency and have the same wave-length and the same wave velocity.
Last Answer : Ans:(d)
Description : If two transverse waves have the same wavelength the wave with the has the greatest wave speed.?
Last Answer : If two transverse waves have the same wavelength, the wave withthe __________ has the greatest wave speed.
Description : When a beam of light enters one medium from another, which quantity will not change? a. Direction b. Speed c. Frequency d. Wavelength
Last Answer : c. Frequency
Description : Quantity that do not change when a beam of light enters on e medium to another. A. Frequency B. Wavelength C. Direction D. Speed
Last Answer : A. Frequency
Description : When a beam of light enters one medium from another, which quantity will not change? ∙ a. Direction ∙ b. Speed ∙ c. Frequency ∙ d. Wavelength
Description : What is the frequency of a light wave with a wavelength of 6.80 x 10-7 m?
Last Answer : The frequency is 4,4087.10e5 GHz.
Description : What is the frequency of a wave with a velocity of 100 ms and a wavelength of 20m?
Last Answer : Feel Free to Answer
Description : What are the relationships that are present between frequency wavelength and amplitude of a wave?
Description : Of the following properties of a wave, the one that is independent of the other is its (a) Amplitude (b) Velocity (c) Wavelength (d) Frequency
Last Answer : Ans:(a)
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.
Description : What is the relation between wavelength, frequency and velocity? (1) velocity of wave = frequency * wavelength (2) velocity of wave = frequency/wavelength (3) velocity of wave = wavelength/frequency (4) None of above
Last Answer : a) velocity of wave = frequency * wavelength
Description : Of the following properties of a wave, the one that is independent of the other is its (1) amplitude (2) velocity (3) wavelength (4) frequency
Last Answer : (1) amplitude Explanation: The maximum extent of a vibration or oscillation, measured from the position of equilibrium.
Last Answer : a) amplitude Explanation: The maximum extent of a vibration or oscillation, measured from the position of equilibrium.
Description : Distance traveled by a wave in the time of one cycle. A. Hop B. Frequency C. Wavelength D. Crest
Last Answer : C. Wavelength
Description : What is wavelength and frequency of a wave?
Last Answer : The distance between two consecutive compressions or rarefaction is called wavelength. The number of waves in unit time is called frequency of wave.
Description : Write the relation between wavelength and frequency of a wave.
Last Answer : Wavelength and frequency are related by the equation V = n
Description : A wave of frequency 1 GHz has wavelength of A. 0.4 m B. 0.5 m C. 0.2 m D. 0.3 m
Last Answer : 0.3 m
Description : In FM, frequency of modulated wave varies with A. amplitude B. time C. wavelength D. energy
Last Answer : time
Description : (i) Draw the time domain and frequency domain representation of sine wave and triangular wave. (ii) Define frequency and wavelength.
Last Answer : (i)Time domain and frequency domain representation of sine wave time domain and frequency domain representation of triangular wave. ii) Define frequency and wavelength. Frequency ... : Wavelength can be defined as the distance between two successive crests troughs of a wave.
Description : What is the WAVELENGTH of the carrier wave, in meters, of a radio station which is broadcasting at a frequency of 100 megahertz?
Last Answer : ANSWER: 3 METERS
Description : The inverse of wavelength is referred to as: w) wave number x) frequency y) velocity z) momentum
Last Answer : ANSWER: W -- WAVE NUMBER
Description : If viewed on an oscilloscope, the loudness of a sound wave would be associated with the wave's: w) frequency x) wavelength y) velocity z) amplitude
Last Answer : ANSWER: Z -- AMPLITUDE
Description : The frequency of a wave is 50 Hertz and its wavelength is 25 meters. What is the velocity of this wave?
Last Answer : ANSWER: 1250 METERS/SECOND
Description : As the temperature of the air increases from 0 degrees C to 20 degrees C, the wavelength of a sound made by a tuning fork of fixed frequency does which of the following? Does the wavelength w) increase x) decrease y) remain the same z) increase up to a maximum, then remain constant
Last Answer : ANSWER: W -- INCREASE
Description : When light passes from air into water, the frequency of the light remains the same. What happens to the speed? And the wavelength of light as it crosses the boundary in going from air into ... same Decreases C. Remains the same remains the same D. Decreases Increases E. Decreases Decreases
Last Answer : E. Decreases Decreases
Description : What is the wavelength of a 320Hz sound traveling 330 ms?
Last Answer : 6
Description : What is the DeBroglie wavelength of a 1,200 kilogram corvette traveling at a rate of 25 meters per second? Planck's constant is equal to 6.62 x 10-34 Joule-seconds. w) 5.3 x 10-32 meters x) 5.9 x 10-34 meters y) 2.1 x 10-38 meters z) 1.6 x 10-40 meters
Last Answer : ANSWER: Y -- 2.1 x 10-38 METERS
Description : If a wave travels at a constent speed the greater its wavelength the lower its?
Description : What is the speed in ms of a wave on a cord if it has a wavelength of 4 m and a period of 0.5 s?
Last Answer : It is 8 metres per second.
Description : A wavelength of 0.3 m is produced in air and it travels at a speed of 300 m/s. Then it will be an (1) Audible wave (2) Infrasonic wave (3) Ultrasonic wave (4) Microwave
Last Answer : (1) Audible wave
Last Answer : Audible wave
Description : A bus run at 100 km/hr top speed. It can carry a maximum of 6 persons. If speed of bus decreases in fixed proportion with increase in number of person, find speed when three person are traveling in bus.
Last Answer : 100 Km/hr because that is the top speed of the bus.
Description : The distance a simple signal can travel in one period is called ………… A. Wavelength B. propagation speed C. Frequency D. both a and b
Last Answer : A. Wavelength
Description : Speed in a given direction A. Wavelength B. Frequency C. Velocity D. Waves per second
Description : Light has wavelength, frequency, and speed. Which, if any, of these quantities remains unchanged when light passes from a vacuum into a block of glass?
Last Answer : ANSWER: FREQUENCY
Description : The speed of light in vacuum "C" divided by the Index of Refraction "N" gives the: w) frequency of the light x) speed of the light in the medium y) energy of the light z) wavelength of the light
Last Answer : ANSWER: X -- SPEED OF THE LIGHT IN THE MEDIUM
Description : How do the wavelength and wave height change as a wave enters shallow water?
Description : When a light wave suffers reflection at the interface between air and glass medium, the change of wavelength of the reflected wave in air is equal to (a) 0 (b) λ/2 (c) λ (d) 2λ
Last Answer : (b) λ/2
Description : Stationary wave is formed by – (1) a transverse wave superposing a longitudinal wave (2) two waves of the same speed superposing (3) two waves of same frequency travelling in the same direction (4) two waves of same frequency travelling in the opposite direction
Last Answer : (4) two waves of same frequency travelling in the opposite direction Explanation: Stationary or standing waves are formed in a medium when two waves having equal amplitude and frequency moving in ... and the reflected wave. Both longitudinal and transverse types of waves can form a stationary wave.