List of top Questions asked in JEE Advanced

𝑆₁ and 𝑆₂ are two identical sound sources of frequency 656 Hz. The source 𝑆₁ is located at 𝑂 and 𝑆₂ moves anti-clockwise with a uniform speed of 4$\sqrt{2}$ ms^-1 on a circular path around 𝑂, as shown in the figure. There are three points 𝑃, 𝑄 and 𝑅 on this path such that 𝑃 and 𝑅 are diametrically opposite while 𝑄 is equidistant from them. A sound detector is placed at point 𝑃. The source 𝑆₁ can move along the direction 𝑂𝑃. [Given: The speed of sound in air is 324 ms^-1]. When only 𝑆₂ is emitting sound and it is at 𝑄, the frequency of sound measured by the detector in Hz is _________

In a YDSE bi-chromatic light of wavelengths 400 nm and 560 nm are used. The distance between the slits is 0.1 mm and the distance between the plane of the slits and the screen is 1 m. The minimum distance between two successive regions of complete darkness is

The number and type of bonds between two carbon atoms in $CaC_2$ are

In an interference arrangement similar to Young's double-slit experiment, the slits $S_1$, and $S_2$ are illuminated with coherent microwave sources, each of frequency $10^6$ Hz. The sources are synchronized to have zero phase difference. The slits are separated by a distance d = 150.0 m. The intensity I$(\theta)$ is measured as a function of $\theta$, where $\theta$ is defined as shown. If $I_0$ is the maximum intensity, then I$(\theta)$ for $0 \le \theta \le$90$^{\circ}$ is given by

A biconvex lens of focal length f forms a circular image of radius r of sun in focal plane. Then which option is correct ?

List of top Questions asked in JEE Advanced

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