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A sonometer wire having a length of 1.50 m between the bridges vibrates in its second harmonic in resonance with a tuning fork of frequency 256 Hz. What is the speed of the transverse wave on the wire?

Fundamental frequency of First Harmonic = 256/2 = 128 HzHere, Second harmonic= 2 × First HarmonicWhen the fundamental wave is produced, λ/2 =... View Article

A piano wire weighing 6.0 g and having a length of 90.0 cm emits a fundamental frequency corresponding to the “Middle C” (ν = 261.63 Hz). Find the tension in the wire.

Fundamental frequency = f = (1/2L)√(T/m)or f = √150 TAlso, f = 261.63 Hz (given)=> 261.63 = √150 T=> T = 1480 N (approx.)... View Article

A steel wire of mass 40 g and length 80 cm is fixed at the two ends. The tension in the wire is 50 N. Find the frequency and wavelength of the fourth harmonic of the fundamental.

Fundamental frequency = f = v/2L = 1/2L x √(T/m) = 62.5 Hz frequency of 4th harmonic = F4 = 4 x 62.5 = 250 Hz Now, v4 = F4 λ4 or λ4 =... View Article

A wire of length 200 m is stretched to a tension of 160 N. If the fundamental frequency of vibration is 100 Hz, find its linear mass density.

Fundamental frequency = f = v/2L = 1/2L x √(T/m) = 1 g/m... View Article

If the speed of a transverse wave on a stretched string of length 1 m is 60 m s−1, what is the fundamental frequency of vibration?

Fundamental frequency = f = v/2L = 30 Hz... View Article

Two waves, each having a frequency of 100 Hz and a wavelength of 2.0 cm, are travelling in the same direction on a string. What is the phase difference between the waves

(a) if the second wave was produced 0.015 s later than the first one at the same place, (b) if the two waves were produced at the same instant... View Article

Figure shows two wave pulses at t = 0 travelling on a string in opposite directions with the same wave

Solution:Distance travelled by any classical wave = s = vtAt t = 4 => s = 4 x 10-3 x 50 x 10 = 2 mmAt t = 6 => s = 6 x 10-3 x 50 x 10 = 3... View Article

Two waves, travelling in the same direction through the same region, have equal frequencies, wavelengths and amplitudes. If the amplitudes of each wave is 4 mm and the phase difference between the waves is 90°, what is the resultant amplitude?

y' = r sin ωt and y'' = r sin (ωt + π/2)Now, y = y' + y''Or y = √2 r sin(ωt + π/4)The amplitude is 4√2 mm... View Article

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Archives

A sonometer wire having a length of 1.50 m between the bridges vibrates in its second harmonic in resonance with a tuning fork of frequency 256 Hz. What is the speed of the transverse wave on the wire?

A piano wire weighing 6.0 g and having a length of 90.0 cm emits a fundamental frequency corresponding to the “Middle C” (ν = 261.63 Hz). Find the tension in the wire.

A steel wire of mass 40 g and length 80 cm is fixed at the two ends. The tension in the wire is 50 N. Find the frequency and wavelength of the fourth harmonic of the fundamental.

A wire of length 200 m is stretched to a tension of 160 N. If the fundamental frequency of vibration is 100 Hz, find its linear mass density.

If the speed of a transverse wave on a stretched string of length 1 m is 60 m s−1, what is the fundamental frequency of vibration?

Two waves, each having a frequency of 100 Hz and a wavelength of 2.0 cm, are travelling in the same direction on a string. What is the phase difference between the waves

Figure shows two wave pulses at t = 0 travelling on a string in opposite directions with the same wave

Two waves, travelling in the same direction through the same region, have equal frequencies, wavelengths and amplitudes. If the amplitudes of each wave is 4 mm and the phase difference between the waves is 90°, what is the resultant amplitude?

Project 75-India

What Is Meant by a ‘share’ ? Give Any Two Differences Between ‘preference Shares’ and ‘equity Shares’.

Is ‘reserve Capital’ a Part of ‘unsubscribed Capital’ or ‘uncalled Capital’?

State the Two Situations Under Which Interest on Capital Is Generally Provided.

Name the Sources That May Be Available for Redemption of Debentures.

Give the Accounting Entry for Unrecorded Assets in Case of Reconstitution of a Partnership Firm

What Is Meant by ‘reserve Capital’?

Explain ‘sequential’ and ‘mnemonic’ Codes.

What Is Meant by a ‘voucher’ ? Explain Different Types of Vouchers?

Give the Meaning of a ‘graph’. Explain Its Three Advantages.

What Will Be the Effect of Purchase of Goods for Cash < 3,000 on Gross Profit Ratio?

State the Objective of Preparing the ‘cash Flow Statement’.