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Recent questions tagged elastic waves
+3
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1
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A point moves in the plane xy according to the law x = a sinωt, y = b cosωt, where a, b, and ω are positive constants. Find:
asked
Mar 24, 2019
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JEE
by
kratos
irodov
oscillations and wave
jee
kinematics
jee mains
elastic waves
+2
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1
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The equation of line through (α,β,γ) and equality inclined to the axes are : (a) x - α = y - β = z - γ (b) (x - 1)/α = (y - 1)/β = (z - 1)/γ
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Mar 18, 2019
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JEE
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kratos
irodov
oscillations and wave
jee
direction cosines
bseb model set
jee mains
elastic waves
class-12
straight line in space
directions ratios
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1
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A source of sonic oscillations with frequency v0 = 1000 Hz moves at right angles to the wall with a velocity u = 0.17 m/*.
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Mar 14, 2019
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JEE
by
kratos
irodov
oscillations and wave
jee
jee mains
elastic waves
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1
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The number of possible natural oscillations of air column in a pipe closed at one end of length 85 cm
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Feb 28, 2019
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JEE
by
kratos
irodov
waves
oscillations
oscillations and wave
jee
class-11
jee mains
elastic waves
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vote
1
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Find the damping coefficient γ of a sound wave if at distances r1 = 10 m and r2 = 20 m from a point
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Feb 28, 2019
in
JEE
by
kratos
irodov
oscillations and wave
jee
jee mains
elastic waves
+3
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1
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An observer standing at the sea coast observes 54 waves reaching the coast per minute. If the wavelength
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Feb 19, 2019
in
JEE
by
kratos
irodov
oscillations and wave
jee
jee mains
elastic waves
+3
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1
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A source of sonic oscillations with frequency v0 = 1700 Hz and a receiver are located on the same normal to a wall.
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Feb 15, 2019
in
JEE
by
kratos
irodov
oscillations and wave
jee
jee mains
elastic waves
+2
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1
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A stationary observer receives sonic oscillations from two tuning forks, one of which approaches and the other recedes with same speed.
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Feb 8, 2019
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JEE
by
kratos
irodov
jee main 2020
oscillations and wave
jee
sound waves
jee mains
elastic waves
doppler effect
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1
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A wire of length 108 cm produces a fundamental note of frequency 256 Hz, when stretched by a weight of 1
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Feb 6, 2019
in
JEE
by
kratos
irodov
cbse
oscillations and wave
jee
class-11
sound waves
jee mains
elastic waves
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1
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A string 120 cm in length sustains a standing wave, with the points of the string at which the displacement
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Feb 6, 2019
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JEE
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kratos
irodov
oscillations and wave
jee
jee mains
elastic waves
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1
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A standing wave ℰ = a sin kx•cos ωt is maintained in a homogeneous rod with cross-sectional area * and density ρ.
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Feb 2, 2019
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JEE
by
kratos
irodov
oscillations and wave
jee
jee mains
elastic waves
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1
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An observer A located at a distance rA =5.0 m from a ringing tuning fork notes the sound to fade away τ = 19 * later
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Jan 29, 2019
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JEE
by
kratos
irodov
oscillations and wave
jee
jee mains
elastic waves
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1
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Find FADE(16) = (?)(8) = (?)(10)
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Jan 21, 2019
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JEE
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kratos
irodov
cbse.
cbse
the house on elm street
oscillations and wave
jee
class-10
jee mains
elastic waves
class-12
+3
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1
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A longitudinal standing wave ℰ = a cos kx- cos ωt is maintained in a homogeneous medium of density ρ.
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Jan 14, 2019
in
JEE
by
kratos
irodov
oscillations and wave
jee
jee mains
elastic waves
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1
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Regarding the properties of ultrasound: a. Ultrasound propagates through tissue as a longitudinal wave
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Jan 4, 2019
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JEE
by
kratos
irodov
waves
oscillations and wave
jee
medical imaging
jee mains
elastic waves
+2
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1
answer
At a distance r0 = 20.0 m from a point isotropic source of sound the loudness level Lo = 30.0 dB.
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Dec 16, 2018
in
JEE
by
kratos
irodov
oscillations and wave
jee
jee mains
elastic waves
+1
vote
1
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The prongs of a tuning fork A, originally in unison with tuning fork B are filed. Now the tuning forks on being
asked
Nov 27, 2018
in
JEE
by
kratos
irodov
waves
class-11
jee
oscillations and wave
jee mains
elastic waves
+2
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1
answer
If the ratio of the roots of the equation, x^2 + αx + α + 2 = 0 is equal to 2, then the value of α is :
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Nov 27, 2018
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JEE
by
kratos
nda
irodov
class-11
jee
oscillations and wave
jee mains
elastic waves
class-12
+2
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1
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Two plane waves propagate in a homogeneous elastic medium, one along the x axis and the other along the y axis
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Nov 26, 2018
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JEE
by
kratos
irodov
oscillations and wave
jee
jee mains
elastic waves
+2
votes
1
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A quantity y is related to another quantity x by the equation y = kx^a when 'K' and 'a' are constants.
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Nov 24, 2018
in
JEE
by
kratos
irodov
waves
sound
oscillations and wave
jee
class-11
jee mains
elastic waves
states of matter
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