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A small air bubble is inside a cube of 0.21 m. When viewed from one face it seems to be at a depth of 0.06 m, when viewed from opposite face the bubble seems to be at a depth of 0.08m. Determine the actual distance from first face and also the refractive index of the material of the cube.
Draw a picture of a moving source and the waves surrounding it according to what you observed in this experiment. How does the spacing of the wavefronts in front of the source comp
An a.c. voltage E = E 0 sin cot is applied across an inductor L. Get an expression for current I. Draw a labelled diagram of Van de Graff generator. Verify its principle of wor
Q Calculate the longest wavelength that can be analysed by a rock salt crystal of spacing d = 2.82 Ao in the first order. Data: d = 2.82 Å = 2.82 × 10-10 m; n = 1 ; λmax = ?
explain briefly about piezoelectric effect to produce ultrasonics
Advantages of D.C. transmission of power 1. It needs only two conductors as compared to three for a.c. transmission. 2. There is not an inductance, capacitance, phase displ
ML -3
explain and give examples of the two types of current
a cat climbs 20 m directly up a tree. what is the horizontal component of the cat''s displacement
Why there are two propellers in helicopter
When the wavelength of wave remains unchanged, the scattering is known as elastic.
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