Physics question and answers for March 23, 2024
- Q Question how to determine the direction of progression of a wave
- Q 3 4 5 mm 4 6 mm Two light wave from coherant sources superpose 2 at point A with phase difference 0 at point B with phase difference of x...
- Q Two particles of medium disturbed by the wave 41 propagation are at x 0 and x 1 cm The respective displacements in cm of the particles can be given by...
- Q 5 The equation of the stationary wave is cos 2x COS 2 ct y 2A sin Which of the following statements is wrong A The unit of ct is same...
- Q a A string is stretched and fastened to two points at distance L apart is displaced into the form y x 0 3 x x from which it is released...
- Q 4 9 m s A police car moving at 22 m s chase a motorcyclist The police man sounds his horn at 176 Hz while both of them move towards...
- Q The strings of a guitar have a length of 0 627 m The lowest E string has a mass of 3 32 g and has a tension of 226 N...
- Q Which of the following is an example of a transverse wave only 1 Point sound waves in fluids wave produced by strumming the strings of a guitar wave motion in...
- Q What is the frequency of this wave 1 Point y m period 0 25 S 0 25 Hz 4 s 4 Hz Time s Vi 1s
- Q 5 Which of the following statements accurately describes how mechanical waves are able to transmit energy efficiently 1 Point Mechanical waves are able to act at a distance and don...
- Q A wave has a speed of 2100 m s and a period of 0 01818 s What is its approximate wavelength 1 Point 38 m 115 500 m 2045 m...
- Q If the Mach number is 0 81 and the speed of the airplane measured by radar is 850 km h what is the local temperature of the air 1 Point...
- Q The oscillatory motion of a simple pendulum is represented by 0 t 0 15rad cos 2 56t Which one of the following is closest to the length of the pendulum...
- Q 2 Sketch a possible graph of the wave and give a formula that matches your graph a a wave that is 8 4 nanometers from top to bottom and has...
- Q You and a partner sit on the floor and stretch out a coiled spring to a length of 7 2 meters You shake the coil so you have 1 antinode...
- Q 5b A student makes a claim that a piece of wood on top of an ocean wave stays in the same location only moving up and down as the wave...
- Q A wave is present in a slinky A coil of the slinky makes 12 complete up and down cycles of vibration in a total time of 4 seconds The period...
- Q Jennie waves the end of a skipping rope up and down 4 0 times every second What is the period of the waves produced in the rope O2 0 s...
- Q What quantity does the distance marked z represent y z A A O wavelength O frequency O amplitude X
- Q You have an air column open at both ends of length 1 2m in air at 30 C Calculate the frequency of the second harmonic
- Q 2 The attached diagram shows two waves A and B over a one second timeframe From these two waves shown answer the following a How do the frequencies of the...
- Q 3 Mary is sitting in her parked car with the driver window opened The temperature outside is 12 C A train passes Mary s car as it sounds its whistle...
- Q A lab team was collecting data on the amplitude and energy of a mechanical wave as shown in the data table They forgot to record one data point Analyze the...
- Q Standing wave vibrations are set up in a crystal goblet with four nodes and four antinodes equally spaced around the 15 0 cm circumference of its rim If transverse waves...
- Q A pipe has a length of 0 941 m and is open at both ends Take the speed of sound to be v 343 m s HINT a Calculate the...
- Q POSSIBLE POINTS 12 The safety council would like you to compare the characteristics of an earthquake produced tsunami wave and a wind generated surface wave They have decided to compare...
- Q 11C a What is dispersion Explain why it happens b When sunlight hits the thin film of a soap bubble only red and green colors seem to be reflected Why...
- Q The transition from the state n 4 to n a hydrogen like atom results in ultraviolet radiation Infrared radiation will be obtained in the transition A 2 1 CO B...
- Q The time period of oscillation of a simple pendulum is The measured value of L is 10 0 cm with an T 2 g instrument having least count 1 mm...
- Q Q 177 A bird is moving vertically downward with speed 12 m s What will be the apparent speed of the bird as seen by a fish in water vertically...
- Q c A convex lens of focal length 20 cm is placed after a slit of width 0 6 mm If a plane wave of wavelength 600 nm falls normally on...
- Q he amplitude of a wave disturbance propagating in positive direction of x 1 1 x re in meters The shape of the wave disturbance does not change during propagation The...
- Q A stone is dropped in a liquid at rest in a tank The fig a below shows circular wave fonts waves produced at the centre of a circular ripple tank...
- Q NEET PHYSICS All India Major Test Series Phase l II Major Test 29 23 09 06 2020 Q 169 The equation of a plane progressive wave is Q 169 Y...
- Q The total number of harmonics audible to a person having normal hearing if the length of the open pipe is 17cm and velocity of sound in air is 340 m...
- Q The displacement y in cm produced by a simple harmonic wave is given by y 10 TT sin TX 2000nt The period and maximum velocity of the particles in the...
- Q ASRI CHAITANYA IT In case of superposition of waves at x 0 y 2 sin 1026 t y 2 sin 1014 t A the frequency of resulting wave is 510...
- Q 1 A wave is represented by y A sin Bt Cx where A amplitude B and C are constants then ABC represent to 1 Time 2 Frequency 3 Length 4...
- Q 11 Two superimposing waves are represented by equation y 2 sin 2 10t 0 4x and y 4 sin 2 20t 0 8x The ratio of Imax to Imin is...
- Q A signal of form y x 1 x 1 x y cm propagates horizontally from the origin to the right with speed 6 cm s Draw a figure showing the...
- Q 32 Two waves get superposed on a string Y 3 sin2 x 10f and y 3 sin2 x 10t Then find the distance between two adjacent nodes on the string...
- Q When monochromatic light falls normally on the surface of the soap film in air the intensity of the reflected light depends on the wavelength it has a maximum at A...
- Q Consider a rope fixed at both ends under tension so that it is horizontal i e assume the rope is along x axis with gravity acting along z axis Now...
- Q wo particles of medium disturbed by the wave propagation are at x isplacements in cm of the particles can be given by the equations y 2sin3xt y 2sin 3xt x...
- Q 6 Time period of a particle executing SHM is 16 At time t 2 s it crosses the mean position It amplitude of motion is 32 2m Its velocity at...
- Q The wave function of a triangular wave pulse is defined by the relation below at time t 0 for 0 x a 2 for a 2 x a 0 every...
- Q Two coherent sources of light of wavelength 6 2x10 6 m produce interfearence The path difference corresponding to 10th order maximum NCERT XII II 363 1 6 2 10 m...
- Q correct Question Type Single Correct Type 1 2 IS In YDSE and single slit diffraction spherical wavefront is used In YDSE plane wavefront and in single slit spherical wavefront are...
- Q Consider an electromagnetic wave propagating in vacuum Choose the correct statement skipped B C D For an electromagnetic wave propagating in x direction the electric field is E 1 1...
- Q The magnitude of the average electric field normally present in the atmosphere just above the surface of the Earth is about 150 N C directed inward towards the center of...
- Q A sound wave is traveling along positive x direction Displacement y of different particles axis from their mean positions at a given time is shown in the figure po R...
- Q 4 An electromagnetic wave in vacuum has the electric and magnetic fields E and B which are always perpendicular to each other The direction of polarisation is given by X...
- Q Q 6 Two Sources S and S of intensity I and 12 are in front of a screen Fig a The pattern of intensity distribution seen in the central portion...
- Q 5 The equation of a plane progressive wave is t where x 10 18 and y are in cm and f is in second Now which of the following is...
- Q Statement 1 On viewing the clear blue portion of the sky through a Calcite Crystal the intensity of transmitted light varies as the crystal is rotated Statement 2 The light...
- Q 2 6 A particle is oscillating according to the equation X 7cos 0 5 mt where t is in second The point moves from the position of equilibrium to maximum...
- Q A source emit sound waves of frequency 1000 Hz The source moves to the right with a speed 32 m s relative to ground On the right a reflecting surface...
- Q 22 23 24 25 26 27 28 29 30 31 32 English Review Q The conduction current is the same as displacement current when source is Question Type Single Correct...
- Q An air column in a pipe closed at one end is made to vibrate in its second overtone by a tuning fork of frequency 440 Hz The speed of sound...
- Q The vibration of a string fixed at both ends are described by Y 2 sin x sin 100st where Y is in mm x is in cm t in sec...
- Q A wave propagates in a string in the positive x direction with velocity v The shape a the string at t to is given by 2 Then the wave equation...
- Q boundary 26 In the standing wave shown particles at the positions A and B have a phase difference of 1 0 5m KIN 3 h Tower 8 Pusa Road New...
- Q 3 1 2 4 1 4 10 A pulse is generated at lower end of a hanging rope of uniform density and length L The speed of the pulse when...
- Q Equation of a plane progressive wave is given by y 0 6sin 2 t On reflection from a denser medium its amplitude rd 2 3 wave The equation of reflected...
- Q 3 85 4 245 38 A closed pipe of length 10 cm has its fundamental frequency half that of the second overtone of an open pipe The length of the...
- Q Some examples of wave motion are given the following options In which case was motion is a combination of both transver and longitudinal waves INCERT XI Pg 37 1 Motion...
- Q 4 Same speed at same instant 30 Two waves are represented by y 5 sin 2n 75f 0 25x y 10 sin 2n 150t 0 50x 4 The intensity ratio...
- Q equal he Waves 187 46 A tuning fork and an air column whose temperature
- Q 4x Shape of interference fringes formed on the screen due to point source P in the case shown here P Point source Plane mirror 1 Parabolic 3 Circular y 4...
- Q B A C A D A Column l HL e Two strings each of length and linear mass density u and 9u are joined together and system is oscillated such...
- Q Four different independent i y a sinot 2 waves are represented by ii y a sin2wt TC iv Y4 a sin ot iii y a coswt With which of two...
- Q 190 Waves 22 If the tension and diameter of a sonometer wire of fundamental frequency n is doubled and density is halved then its fundamental frequency will become 1 2...
- Q 28 A certain string will resonante to several frequencies the lowest of which is 200 cps What are the next three higher frequencies to which it resonantes 1 400 600...
- Q 5 The driver of a car travelling with speed 30 m s towards a hill sounds a hom of frequency 600 Hz If the velocity of sound in air is...
- Q y asin 2n pt Then the ratio of maximum particle velocity to wave velocity is 1 3 na 5 2na 5 2 2 5ma 2na 4 5
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