12. A tuning fork of frequency 256 Hz will certainly resonatewith an additional tuning fork that frequency(a) 512 Hz(c) 128 Hz(b) 384 Hz(d) 256 Hz. ...



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UUTUUA certain metal once irradiated with light!(v = 3.2 x 1016 Hz) emits picture electrons withtwice kinetic energy as did photo electronswhen the same steel is irradiated by light(y = 2.0 x 1016 Hz). Calculate v, the electron?(1) 1.2 x 1014 Hz (2) 8 x 1015 Hz(3) 1.2 x 1016 Hz (4) 4 x 1012 Hz ...

1. The frequency of yellow ight having wavelength G600 nm a:(1)5.0x 10* Hz(2)2.5 x 10\" Hz(3) 5.0x 10' Hz4)2.5 10*Hz ( ...

2. Velocity of sound in waiting is 330 m s1. A closedorgan pipe has actually a length of 0.5 m. Neglectingend correction, the air tower in the pipecannot resonate through sound the frequency(a) 165 Hz(c) 495 Hz(e) 1155 Hz(b) 330 Hz(d) 825 Hz ...

A tuning fork ns of frequency 256 Hz produce 4 beats/s with another tuning fork Q. Whena tiny amount the wax is attached to Q, the number of beats heard per 2nd is 2. Theoriginal frequency that the fork Q is:a) 252 Hzb) 262 Hzc) 260 Hzd) 256 Hz ...

A tuning fork p of frequency 256 Hz produces 4 beats/s with an additional tuning fork Q. Whena little amount the wax is attached come Q, the number of beats heard per second is 2. Theoriginal frequency of the fork Q is:a) 252 Hzb) 262 Hzc) 260 Hzd) 256 Hz ...

(1) 5x 10 m/s24.(4) 2 x 10°(3) 3 x 105 m/sstring is stretched in between two fixed pointsseparated by 75.0 cm. That is observed to haveresonant frequencies of 420 Hz and 315 Hz.There are no various other resonant frequencies betweenthese two. The shortest resonant frequencies for this31string is : s(1) 105 Hz(3) 205 Hzuning forks are arranged in boosting order(2) 155 Hz(4) 10.5 Hz ...

7. The duration of sine wave is.02 seconds. That frequency is(a) 20 Hz(b) 30 Hz(c) 40 1Iz(d) 50 Hz ...

24. Frequency the photon having energy 66 eV is(A) 8 x 10^(-15) Hz (B) 12 x 10^(- 15) Hz(C) 16 × 10^15 Hz (D) None. ...



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64. The cosmic background microwave radiation i beg your pardon pervades the cosmos hasthe properties radiation indigenous a blackbody in ~ temperature 2.9\" K. To whatfrequency does the refer toa) 3x10' Hz b) 3x10 Hz c) 3x10 Hz d) 3x 10'll ...