What is quintessence?
Q: How can an election be particle and a wave at the same time?
A:
Q: True or False. When a wave vibrates, matter moves from one end of the wave to the other.
A: Definition of wave - wave is the movement of some sort of disturbance in the medium.
Q: briefly In what ways do sound waves differ from light?
A: sound waves are longitudinal while Light waves are transverse. Sound waves require a material medium…
Q: What do you mean by evanescent wave?
A: What do you mean by evanescent wave?
Q: What are the properties of P-waves?
A: The P- waves are the primary waves which is the classification of the body waves. The properties of…
Q: What is Fermat's principle of least time?
A: The Fermat's principle states that the light travels between two points along the path that requires…
Q: If speed of a wave is 600 m/s, find out its frequency if its wavelength is 100 cm.
A: The wavelength of a wave is given by λ = vf, where v = speed of the wave f = frequency of the wave
Q: What do you mean by iridescence?
A: Answer: Iridescence: Iridescent clouds are formed by the diffraction of white light by tiny, uniform…
Q: As the frequency of a wave increases what would happen to its wavelength (assuming it kept the same…
A: We know that f=vλ Here v= speed f= frequency λ=wavelength According to formula λ=vf If we increase…
Q: A certain note has a frequency of 1000 Hz. What is the frequency of a note one octave above it? Two…
A:
Q: Once you hear the word motion, what comes to your mind first
A: Introduction: When we hear about motion it means the object is changing its position with respect to…
Q: What type of waves are set up in fluids?
A: Transverse waves require a comparatively rigid medium to travel, as their particle transmits energy…
Q: Sound will travel the fastest at 20°C in Air Wood Glass It will travel the same in all…
A: Sound will travel faster in glass because the particle density of glass is much higher than air and…
Q: A wave has wavelength of 12 m and a speed of 68 m/s. What is the frequency of the wave? (Express…
A: The expression for the required frequency is,
Q: Autal lans ke aavrdhan m barabar kya hoga
A: The magnification of concave lens:
Q: Which of the following describes the sound waves? they can travel only in medium O they can travel…
A: Part c and part d are the properties of light waves. The sound waves require medium for propogation.…
Q: How does the phenomenon of refraction differ from reflection?
A: Refraction and reflection are fundamental optical phenomena that contain the behavior of light when…
Q: The sound produced by one object causes the other object to vibrate
A: The sound produced by one object causes the other object to vibrate called resonance.
Q: It is hotter at the same distance over the top of a fire than in front of it, Why?
A: Whenever we put fire at a place, the air surrounding the fire gets heated up. As we know that hot…
Q: Wavefront means All particles in it have same phase All particles have opposite phase of vibrations…
A: Wave front is a locus of all the particle having same wavelength and vibrating in same phase.
Q: A wave passes from one medium to another medium. Mention one property of wave out of speed,…
A: Explanation:
Q: Choose the BEST answer to the following: Find the speed of a wave by multiplying its frequency by…
A: The equation for the speed of a wave is given by,
Q: When an object falls to the earth, the earth also moves up to meet it. Why the earth's motion is not…
A: An object falls to the earth because of gravitational attraction force. As we know, the…
Q: Choose the BEST answer to the following: When an object is set vibrating by a wave that has a…
A: Resonance is the phenomenon in which a system oscillates with maximum amplitude when the frequency…
Q: what will happen to speed of sound if temperature decreases? Speed of sound will remain constant…
A: To Answer this we have to know the relationship between the speed of sound with the temperature .
Q: If a wave with frequency 14 rad/s is traveling with velocity 27.5 m/s, then what is the wavelength?…
A:
Q: Two waves have different frequencies but equal amplitudes. The one with higher frequency has the (a)…
A: The relation between the velocity, frequency and wavelength is given by…
Q: Does a baseball in flight possesses wave properties? If so, why?
A: Every matter body, which is moving can be associated with corresponding matter.
Q: As frequency increases, what happens to the energy of light?
A: We take the particle interpretation of light and assume light in the form of photons having a…
Q: What is the use of Fermat’s theorem?
A:
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