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Making a jam jar aquarium
If a large glass tank is not available, practically any glass vessel can be used as a easy aquarium if it is well stocked with submerged water plants like as Elodea or Myriophyllum, to aerate the water. A 1 kg jam jar is fairly suitable for keeping caddis larvae, pond snails, small crustacean and plants like as Elodea and Lemna minor, and will keep in properly balanced condition for months if carefully stocked. It is as bad to under stock as it is to overstock.
A 5.0-cm-tall object is placed 16 cm from a convex lens with a focal length of 8.4 cm. What are the image height and orientation?
What is the change in temperature of 2.2 kg of the following substances if 8.5 x 10 3 J of thermal energy is added to each of the substances? a. ice b. Water c. Alumi
define the coefficient of friction
The maximum value of electric field in an electromagnetic wave is 800V/m. Determine the maximum value of magnetic intensity and the average value of pointing vector.
The measurements taken in Ramdesns eyepiece more worthy (reliable) than Huygens eyepiece. Why? Describe critical angle. show its relationship with refractive index.
Explain about the intermodal dispersion in optical fibers. Intermodal Dispersion Δτ im ) This dispersion arises even when light that is launched into the fiber is s
What is index fiber? How you define the modes in an optical fiber? Give a relation between core diameter and numerical aperture. Ans.: The index profile of a single mode fi
A boat travels 75 km southeast, then 56 km due east, then 25 km 30.0° north of east. a. Sketch the vector set on a N-E-S-W grid b. Find its net E-W part of displacement and
Radio Waves: Radio waves are electromagnetic waves with large range of wavelength from a few millimetres to many meters.
what happens if lc oscillations circuit is placed in dielectric chamber?
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