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In which of the following states is black soil found? (a) Jammu and Kashmir (b) Maharashtra (c) Rajasthan (d) Jharkhand

asked Dec 17, 2021 in Chapter 1 Resource and Development by Doubtly (98.9k points)

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In which one of the following states is terrace cultivation practised? (a) Punjab (b) Plains of Uttar Pradesh

asked Dec 17, 2021 in Chapter 1 Resource and Development by Doubtly (98.9k points)

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Which one of the following is the main cause of land degradation in Punjab?

asked Dec 17, 2021 in Chapter 1 Resource and Development by Doubtly (98.9k points)

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Under which of the following type of resource can tidal energy be put? (a) Replenishable (b) Human-made (c) Abiotic

asked Dec 17, 2021 in Chapter 1 Resource and Development by Doubtly (98.9k points)

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Which one of the following type of resource is iron ore? (a) Renewable (b) Biotic (c) Flow (d) Non-renewable

asked Dec 17, 2021 in Chapter 1 Resource and Development by Doubtly (98.9k points)

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The time period of revolution of electron in its ground state orbit in a hydrogen atom is 1.6 × 10–16 s.

asked Dec 17, 2021 in 2020 by Doubtly (98.9k points)

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If the magnetic field in a plane electromagnetic wave is given by vector B = 3 x 10-8 sin(1.6 x 103x + 48 x 1010 t)j

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Two infinite planes each with uniform surface charge density + σ are kept in such a way that the angle between

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The current I1 (in A) flowing through 1 Ω resistor in the following circuit is :

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Consider a circular coil of wire carrying current I, forming a magnetic dipole.

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Two moles of an ideal gas with CP/CV = 5/3 are mixed with 3 moles of another ideal gas with CP/CV = 4/3.

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A long solenoid of radius R carries a time (t) dependent current I(t) = I0t(1 − t). A ring of radius 2R

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A 60 HP electric motor lifts an elevator having a maximum total load capacity of 2000 kg.

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Which of the following gives a reversible operation?

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A polarizer-analyzer set is adjusted such that the intensity of light coming out of the analyzer is just 10 % of the

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How to write math formulas while asking the question on This Website ?

asked Dec 16, 2021 in other by Doubtly (98.9k points)

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Describe the importance of himalayas

asked Dec 15, 2021 in Chapter 4: Climate by Paramgari Tejashwini

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A doctor has prescribed a corrective lens of power +1.5 D. Find the focal length of the lens.

asked Dec 15, 2021 in Light – Reflection and Refraction by Doubtly (98.9k points)

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Find the focal length of a lens of power -2.0 D. What type of lens is this?

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An object of size 7.0 cm is placed at 27 cm in front of a concave mirror of focal length 18 cm.

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