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Tiny pores present on the surface of leaves through which exchange of gases occurs are called :
Read the Assertion and Reason carefully and mark the correct option out of the given options.Assertion (A) : Level of ground water below the surface of Earth at a given place is known as water table. Reason (R) : Excess use of groundwater in cities is resulting in lowering of water table.
In plants, lenticels are present on the surface of :
In plants, lenticels are present on the surface of :
The maximum velocity of an electron emitted by light of wavelength λ incident on the surface of a metal of work function Φ is …. ,where h = Planck’s constant, m = mass of electron and c = speed of light
At a point above the surface of the earth, the gravitational potential is −5.12×107Jkg−1 and the acceleration due to gravity is 6.4 ms−2. Assuming the mean radius of the earth to be 6400 km, the height of this point above the earth’s surface is.
At what height from the surface of Earth, the gravitational potential and the value of g are -5.4 ×107 J kg-1 and 6.0 ms-2 respectively? Take the radius of Earth as 6400 km.
Class 9 Maths Chapter 13 Surface Areas and Volumes MCQs
Find MCQs for Class 9 Maths Chapter 13: Surface Areas and Volumes along with answers. These questions are aligned with […]
Curved Surface Area of Cone
The cone is a 3 Dimensional shape. Similar to other 3D shapes, a cone has both flat and curved surfaces. […]
