Physics · 2023
JEE Main · 1 February 2023, Shift 1 · Q13
A steel wire with mass per unit length 7.0 × 10^-3 kg m^-1 is under tension of 70 N. The speed of transverse waves in the wire will be:
A steel wire with mass per unit length $\displaystyle 7.0 \times 10^{-3} \mathrm{~kg} \mathrm{~m}^{-1}$ is under tension of $\displaystyle 70$ N . The speed of transverse waves in the wire will be:
Official answer
From NTA’s final answer key for this paper.
(2)
$\displaystyle 100 \mathrm{~m} / \mathrm{s}$
More from Waves
- Two loudspeakers ( L_1 and L_2 ) are placed with a separation of 10 m, as shown in figure. Both speakers are fed with an audio input signal of same…2026
- A travelling wave is described by the equation y(x, t)=[0.05 sin (8 x-4 t)] m The velocity of the wave is: [all the quantities are in SI unit]2023
- The equation of a wave travelling on a string is y= sin [20 π x+10 π t], where x and t are distance and time in SI units. The minimum distance…2025
- In an experiment with sonometer when a mass of 180 g is attached to the string, it vibrates with fundamental frequency of 30 Hz. When a mass m is…2023
- The velocity of sound in air is doubled when the temperature is raised from 0 °C to α^° C. The value of α is ____.2026
- A person driving car at a constant speed of 15 m / s is approaching a vertical wall. The person notices a change of 40 Hz in the frequency of his…2023
- Two tuning forks A and B are sounded together giving rise to 8 beats in 2 s. When fork A is loaded with wax, the beat frequency is reduced to 4 beats…2026
- Two strings with circular cross section and made of same material, are stretched to have same amount of tension. A transverse wave is then made to…2025
JEE Main 2023 Physics question, with the answer from NTA’s final answer key. Where our answers come from.