Physics question and answers for March 19, 2024
- Q When a particle of mass m is attached to a vertical spring of spring constant k and released its motion is described by 2 y t y sin wt where...
- Q The wave function for the wave pulse is y x t C x vt with C 4 cm at x 0 the displacem y x t is observed to decrease...
- Q Part A The amplitude of a standing sound wave in a long pipe closed at the left end and open at the right end is sketched below The vertical axis...
- Q The equation of transverse displacement of a string clamped at both ends is 2 X y 0 06 sin 3 cos 120nt where x y are in meters and t...
- Q A string fixed at both ends has a standing wave mode for which the distances between adjacent nodes is 18 cm For the net consecutive standing wave mode distance between...
- Q Example The increase in energy of a fallen photon was first observed in 1960 by Pound and Rebka at Harvard In their work H was 22 5 m Find the...
- Q iv A transmitting antenna at the top of a tower has a height of 32 m and that of the receiving antenna is 50m Wha is the maximum distance between...
- Q 1 Two trains are approaching each other each sounding a horn of frequency n 1000 Hz with velocities this case i calculate the frequency of the second V 10 m...
- Q A fisherman notices that his boat is moving up and down periodically without any horizontal motion owing to waves on the surface of the water It takes a time of...
- Q of angular momentum 0 21 In a single slit diffraction pattern the distance between first minima on the right and first minima on R the left of central maximum is...
- Q A snap shot of transverse wave travelling towards righ on a string is shown in figure then which of the following option is correct y A B C D E...
- Q A parallel beam of fast moving electrons is incident normally on a narrow slit A fluorescent screen is placed at a large distance from the slit If the speed of...
- Q string is fixed at a and its free end is at x 0 A triangular shape wave plus is moving along the string with Deed v m s in the...
- Q ev Con applied to A is increased The diffracted beam will elow Suppose the voltage have the maxima at a I value of 0 that NCERT Exemplar HT ww A...
- Q An organ pipe resonates at successive frequencies of 50 Hz 150 Hz 250 Hz etc speed of sound 340 m s The pipe is Neglect end correction Open at both...
- Q A rope of length I and mass per unit length is suspended vertically If mass M is suspended from bottom of the rope Then time for a transverse wave to...
- Q A wave y A cos t kx passes through a medium If V is the particle velocity and a is the particle acceleration then 1 y V and a all...
- Q 122 A string of length hangs freely from a rigid support under its own weight Find the time required by transverse waves to travel from lower end to upper end...
- Q Equation of a wave travelling along x axis on a string is given as y 3 sin 3 14x 314t where x and y in cm and tin second Maximum...
- Q 45 Two sinusoidal waves given below are superposed Y A sin kx wt Y A sin kx ot 1 y 2 y 6 The equation of resultant wave is 4...
- Q 39 The length of a sonometer wire AB is 110 cm Where should the two bridges be placed from A to divide the wire in 3 segments whose fundamental frequencies...
- Q 27 Figure shows a snapshot for a travelling sine wave along a string Four elemental portions a b c and d are indicated on the string The elemental portion which...
- Q A transverse sinusoidal wave moves along a string in the positive x direction at a speed of 10 cm s The wavelength of the wave is 0 5 m and...
- Q 200 ms 1 A 10 m long steel wire has mass of 5 g This wire is under a tension of 80 N The speed of transverse wave travelling on...
- Q A string is fixed at x o and its free end is at x 0 A triangular shape wave plus is moving along the string with speed v m s...
- Q 5 Equation of wave is given by y 10 mm sin 2 500 sec t x 0 4 m find wavelength of wave frequency of wave and displacement of a...
- Q 33 180 Mark for Review The amplitude of a wave disturbance propagating in positive x direction is given by at time t 0 and y 02 58 hr mir 1...
- Q Two lens of focal length 15 cm and 10 cm when put in contact act like convex lens They have zero longitudinal chromatic aberration if their dispersive power are in...
- Q sonometer wire of length L and mass mis clamped at both its ends as well as a point at a distance from one of its ends If the minimum frequency...
- Q A wind energy generator generates 1050 w at rated speed of 26 mph at the atmospheric pressure and temperature at 20 deg C calculate the change of output if wind...
- Q Wave on string Wave equation A transverse wave is travelling along a string from left to right The fig represents the shape of the string snap shot at a given...
- Q A progressive wave is described by the equation y a sin wt 2nx 2 If the maximum particle velocity is equal to four times the wave velocity Then 2 1...
- Q A tuning fork gives 4 beat s with an open organ pipe at 16 C it again gives 4 beat s when temperature increases to 51 C The frequency of...
- Q In a medium a wave represented by equation y 20 cm sin 60 t 40 x propagates The phase difference between two particles separated by a distance 2 cm along...
- Q The pressure of an acoustical sinusoidal wave traveling in air where p 1 225 kg m specified by the following function in SI units p 0 2 cos 4 243x...
- Q A uniform rope of length 10 m and mass 1 kg hangs vertically from a rigid support A block of mass 1 kg is attached to the free end of...
- Q A chord attached to a vibrating tuning fork divides it into 6 loops when its tension is 36 N The tension at which it will vibrate in 4 loops is...
- Q In a medium a wave represented by equation y 20 cm sin 60nt 40x propagates The phase difference between two particles separated by a distance 2 cm along the direction...
- Q 2 A uniform string of fundamental frequency o vibration f is divided into two segments by means of a bridge If f and f are fundamental frequencies of these segments...
- Q A string is fixed at x and its free end is at x 0 A triangular shape wave pulse is moving along the string with speed v m s in...
- Q A A particle performing S H M about mean position x 0 and at t 0 it is at position x 2 and moving towards the origin Then which of...
- Q 32 Two points are located at a distance of 10 m and 15 m from the source of oscillation The period of oscillation is 0 05 sec and the velocity...
- Q L If an electromagnetic wave of frequency 5 MHz travels from vacuum into a dielectric medium of electrical permittivity 4 then its taker 1 r A wavelength is halved and...
- Q If the ratio of intensities of two waves is 1 25 then the ratio of their amplitudes will be CPMT 1984 a 1 25 c 26 24 b 5 1...
- Q A sequence x n with the z transform X z z z 22 2 3z is applied as an input to linear time invariant system with the impulse response h...
- Q 2 One insulated conductor from a extension cord has a mass per unit length of A section of this conductor is held under tension between two clamps A subsection is...
- Q 10 y sin TC For what value of the wavelength the wave velocity is twic the maximum particle velocity a 40 cm b 20 cm c 10 cm d 60...
- Q 1 100 V 50 Hz 3 150 V 50 Hz 4 200 V TC 4 The phase difference between current and voltage in an AC circuit is then the phase...
- Q A metal wire of linear mass density of 9 8 g m is stretched with a tension of 10 kg wt between two rigid supports 1 metre apart The wire...
- Q The relation between angular frequency and wave number k for given type of waves is a ak Bk The wave number k for which the phase velocity equals the group...
- Q 12 What is your observation when two source are emitting sound with frequency 499 Hz 501 Hz Frequency of 500 Hz is heard with change in intensity takes place twice...
- Q 1 A snapshot of a travelling wave is shown in figure 1 and a snapshot of a standing wave is shown in figure 2 Particles are at their respective extremes...
- Q Two point sound sources S and S are both of same power and send out sound waves in the same phase The wavelength of both the waves 48 IS m...
- Q A wave pulse is propagating along ve x axis on a string whose one end is attached to a ring which can slide smoothly along a fixed vertical rod Then...
- Q 3 9 2 m s 4 7 6 m s The wavefront of a light beam is given by the equation x 2y 3z c where c is arbitrary constant...
- Q The ratio of maximum to minimum intensity of two interfering waves is 25 9 Find ratio of their individual intensities 1 16 2 8 3 4 4 3
- Q 17 In damped ALMS Z015 oscillation mass is 1 kg and 100 N m damping spring constant i boto coefficient 0 5 kg s If the mass is displaced by...
- Q about 5 Consider an oscillator which has a charged particle oscillating its mean position with a frequency of 300 MHz The wavelength of electromagnetic waves produced by this oscillator is...
- Q In resonance tube experiment if V 300 m s n 500 Hz L 125 cm i Find out maximum order of resonance that can be established ii Maximum number of...
- Q 11 iii Maximum minimum water level kept at resonance condition If we increase the tension of streached wire by 5 kg wt then fundamental freq increase with ratio of 2...
- Q 38 A sonometer wire of density d and radius a is held between two bridges at a distance L apart The wire has a tension T The fundamental frequency of...
- Q Board Competitive Exams 44 travelling wave in a string is represented by T y 3 sin t 2 T 1 X 4 The phase difference between two particles separated by...
- Q 10 A sonometer wire fixed at one end has a mass M hanging from the other end The length of the wire 70 cm produces fundamental vibrations when plucked The...
- Q have a different frequencies and same amplitude b different frequencies c different frequencies same amplitude an same phase d different frequencies and same phase
- Q The standing wave in a medium is expressed as y 0 2 sin 0 8x cos 3000t m The distance between any two consecutive points of minimum or maximum displacement...
- Q A string of mass 10 gram and length 1 m is stretched between two rigid supports It vibrates with its fundamental node of 50 Hz Tension in string is 1...
- Q 8 The potential energy of a particle of mass 100 g moving along x axis is given by U 5x x 4 where x is in metre The period of...
- Q A sonometer wire resonates with a given tuning fork forming standing waves with five antinodes between the two bridges when a mass of 9kg is suspended from the wire When...
- Q Q13 A string consists of two parts attached at x 0 The right part of the string x 0 has mass per unit length and the left part of the...
- Q A thin wire of length of 99 cm is fixed at both ends as shown in the figure The wire is kept under a tension and is divided into three...
- Q 1 A wave in a string has an amplitude of 2 cm The wave travels in the positive direction of x axis with a speed of 128 m s and...
- Q 3 A uniform rope of length L and mass m hangs vertically from a rigid support A block of mass m is attached to the free end of the rope...
- Q Light appears to travel in straight lines since CPMT 1987 89 90 2001 RPMT 1997 AIIMS 1998 2002 KCET 2002 BHU 2002 DCE 2003 a It is not absorbed by...
- Q T 12 A uniform rope of mass 0 1 kg and length 2 45 m hangs from a rigid support The time taken by the transverse wave formed in the...
- Q 1 When a vibrating tuning fork is placed on a sound box of a sonometer 8 beats per second are heard when the length of the sonometer wire is kept...
Get Answers to Unlimited Questions
Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!
Membership Benefits:
- Unlimited Question Access with detailed Answers
- Zin AI - 3 Million Words
- 10 Dall-E 3 Images
- 20 Plot Generations
- Conversation with Dialogue Memory
- No Ads, Ever!
- Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!