Arjuna JEE 2.0 2024 Physics Waves PDF

JEE Arjuna JEE 2.0 (2024)...

JEE Arjuna JEE 2.0 (2024) Physics DPP: 1 Waves Q1 The relation between frequency n wavelength The relation between phase difference (Δϕ) λ and velocity of propagation v of wave is and path difference (Δx) is (A) n = vλ (A) Δϕ = 2π λ Δx (B) n = λ/v (B) Δϕ = 2πλΔx (C) n = v/λ (C) Δϕ = 2πλ Δx (D) n = 1/v (D) Δϕ = 2Δx λ Q2 The waves in which the particles of the medium Q6 Two waves are represented by equation vibrate in a direction perpendicular to the y1 = A cos ωt y2 = A sin ωt the first wave direction of wave motion is known as: (A) leads the second by π (A) Transverse waves (B) lags the second by π (B) Propagated waves (C) leads the second by π/2 (C) Longitudinal waves (D) lags the second by π/2 (D) Stationary waves Q7 A travelling wave pulse is given by Q3 A wave of frequency 500 Hz travels between X y = 20 (m) , then 2 and Y and travel a distance of 600 m in 4sec. 4+(x+4t) (A) The pulse is travelling along negative x axis between X and Y. How many wavelength (B) The speed of pulse is 4 m/s are there in distance XY (C) The amplitude of pulse is 5 m (A) 1000 (B) 300 (D) All of these (C) 180 (D) 2000 Q8 Any equation y = f (t − bx) represent a Q4 The equation of a progressive wave for a wire is: harmonic wave if π x y = 4 sin[ (8t − )] (A) dy = v dx dx dt 2 4 (B) 2 2 d y 2 d y = v 2 dt dx 2 If x and y are measured in cm then velocity of (C) 2 d y 1 2 d y = wave is: dt 2 v 2 dx 2 (D) dy = 1 dx (A) 64 cm/s along −x direction dx v dt (B) 32 cm/s along −x direction Q9 The displacement y of a wave travelling in the (C) 32 cm/s along +x direction x - direction is given by (D) 64 cm/s along +x direction y = 5 cos(300t − 1.5x + π 4 ) metre. Q5 Android App | iOS App | PW Website  JEE Where x is in metre and t in seconds. The speed of the wave motion is (A) 200 m/s (B) 300 m/s (C) 450 m/s (D) 600 m/s Q10 Which of the following is correct regarding the progressive wave y = 10 sin 2π ( x 8 + t 4 ) , (where x is in metre and t in second)? (A) Angular frequency is 2π and propagation constant is π (B) Frequency is 4 Hz and wavelength is 8 metre (C) Amplitude is 10 metre and wavelength is 1 8 metre (D) Wavelength is 8 metre and frequency is 1 Hz 4 Android App | iOS App | PW Website  JEE Answer Key Q1 (C) Q6 (C) Q2 (A) Q7 (D) Q3 (D) Q8 (B) Q4 (C) Q9 (A) Q5 (A) Q10 (D) Android App | iOS App | PW Website