Two closed pipes produce 10 beats per second when emitting their fundamental nodes.
Two closed pipes produce 10 beats per second when emitting their fundamental nodes. If their lengths are in the ratio…
8 years ago
Physics
In Young’s double slit experiment, the phase difference between the two waves
In Young's double slit experiment, the phase difference between the two waves reaching at the location of the third dark…
8 years ago
A linear aperture whose width is 0.02 cm is placed immediately in front of a lens
A linear aperture whose width is 0.02 cm is placed immediately in front of a lens of focal length 60…
8 years ago
If a given volume of water in a 220V heater is boiled in 5 min, then same volume
If a given volume of water in a 220V heater is boiled in 5 min, then same volume of water…
8 years ago
At 0⁰C, 15 gm of ice melts to form water at 0⁰C. The change in entropy is
At 0⁰C, 15 gm of ice melts to form water at 0⁰C. The change in entropy is Options (a) zero…
8 years ago
A thin convex lens of refractive index 1.5 has 20 cm focal length in air. If the lens
A thin convex lens of refractive index 1.5 has 20 cm focal length in air. If the lens is completely…
8 years ago
An object is seen through a simple microscope of focal length 12 cm.
An object is seen through a simple microscope of focal length 12 cm. What will be the angular magnification produced,…
8 years ago
A sample of radioactive element has a mass of 10 gram at an instant t=0.
A sample of radioactive element has a mass of 10 gram at an instant t=0. The approximate mass of this…
8 years ago
After 300 days, the activity of a radioactive sample is 5000 dps
After 300 days, the activity of a radioactive sample is 5000 dps (disintegration per second). The activity becomes 2500 dps…
8 years ago
A glass flask weighing 390 g having internal volume 500 cc just floats
A glass flask weighing 390 g having internal volume 500 cc just floats when half of it is filled with…
8 years ago