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Making a simple reflecting telescope
A simple reflecting telescope can be made from a concave mirror obtained from a shaving mirror. The mirror is arranged wooden box of suitable size in such a way that it can be tilted at dissimilar angles. An upright made of wood is attached to the box so that its angle may also be varied. Two short focus lenses are fixed in corks which are then placed in a short length of mailing tube as an eye-piece. Then join this eye- piece attached to the wood upright exactly at the focal
QUESTION 1 (a) How did psychology emerge as a separate scientific field? (b) Elaborate on any two schools of Psychology QUESTION 2 Elaborate on the correlational met
Properties Some of the important physico-chemical characteristics of riboflavin are as follows: a) Riboflavin forms needle shaped orange crystals. b) It is sparingl
Visible and Invisible Radiation: Light is very much a part of our existence. Without it we cannot see; It Iends colour to the world around us. Light is also termed as visible
Release of Energy : When the atom splits, the masses of the fragments and the neutrons produced do not add up to the mass of the original. A tiny amount of matter disappears. Th
INTRODUCTION : You have studied about the hazards of electricity in Unit 11 of Block 3. You have learnt that most of the electrical accidents like shock, fire, etc. occur often du
Q. What are the steps involved in pulse milling? The important steps involved in pulse milling are - overnight soaking in water, smearing with red earth mixed with water follow
Astronomy and Physical Sciences: Astronomy was used not only for working out the calendar, the dates of the eclipses and for the determination of time but also for casting h
Diagrammatically explain about the complementary nature of atomic absorption spectrophotometer and atomic emission spectrometry.n..
Explain what is INFECTIVE ENDOCADITIS ? Infective endocarditis could occur on-native valve - native valve endocarditis (NVE) or on a prosthetic valve (Prosthetic Valve Endocard
Important physico-chemical properties of niacin and niacinamide are as follows: a) Niacin is a white crystalline solid. b) While niacin is sparingly soluble in water, etha
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