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Pythagoras theorem with formula and proof

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b. Alkaline earth metals have valency 2. This means that their position in the modern periodic table is in ....

asked May 6, 2021 in Chapter 2: Periodic Classification of Element by Doubtly (98.9k points)

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The coefficient of static friction between a wooden block of mass 0.5 kg and a vertical rough wall is 0.2.

asked Mar 29, 2021 in Physics by Doubtly (98.9k points)

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Which among the following pairs of Vitamins is stored in our body relatively for longer duration ?

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Write a C++ program to display a series of 20 terms of the Fibonacci series

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P. Calculate the mass of potassium chlorate required to liberate 6.72 dm3 of oxygen at STP

asked Apr 21, 2021 in Chapter 1: Some Basic Concepts of Chemistry by Doubtly (98.9k points)

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The correct pair of the ambident nucleophiles is are:

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Which of the following is Lindlar catalyst ? (1) Cold dilute solution of KMnO4

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An electromagnetic wave of frequency 5 GHz, is travelling in a medium whose relative electric permittivity and relative magnetic permeability both are 2.

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The output of the given combination gates represents :

asked Apr 15, 2021 in Physics by Doubtly (98.9k points)

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Mass of Li3+ is 8.33 times mass of proton Li3+ and proton are accelerated through same potential difference. Then ratio of debroglie's

asked Apr 12, 2021 in Physics by Topper11 (2.8k points)

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Each side of a box made of metal sheet in cubic shape is ‘a’ at room temperature ‘T’, the coefficient of linear expansion of the metal sheet is ‘α’.

asked Mar 29, 2021 in Physics by Doubtly (98.9k points)

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A certain element crystallises in a bcc lattice of unit cell edge, length 27ºÅ. If the same element

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_____ terminal does no processing on input characters.

asked Apr 26, 2021 in Operating System by Topper11 (2.8k points)

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A 25 m long, antenna is mounted on an antenna tower. The height of the antenna tower is 75 m.

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Which level of the single ionized carbon has the same energy as the ground state energy of hydrogen atom ?

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A gas contained in a cylinder fitted with a frictionless piston expands against a constant external pressure of 1 atm from

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Formation of real image using a biconvex lens is shown below If the whole set up is immersed in water without disturbing the object and the

asked Apr 19, 2021 in Physics by Doubtly (98.9k points)

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Four small balls are placed at the corner of a square of length l. Evaluate MOI of system about a line passing through A and parallel to BD.

asked Mar 30, 2021 in Physics by Doubtly (98.9k points)

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Draw a tangent at any point ‘M’ on the circle of radius 3.3 cm and centre ‘O’.

asked Apr 8, 2021 in maths by Doubtly (98.9k points)

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