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1. Construct the following quadrilaterals. (iii) Rhombus BEND BN = 5.6 cm DE = 6.5 cm 1. Construct the following quadrilaterals. (iii) Rhombus BEND BN = 5.6 cm DE = 6.5 cm October 11, 2020 Category: Chapter 4 - Practical Geometry , Maths , NCERT Class 8 ,

1. Construct the following quadrilaterals. (ii) Quadrilateral GOLD OL = 7.5 cm GL = 6 cm GD = 6 cm LD = 5 cm OD = 10 cm 1. Construct the following quadrilaterals. (ii) Quadrilateral GOLD OL = 7.5 cm GL = 6 cm GD = 6 cm LD = 5 cm OD = 10 [...]

1. Construct the following quadrilaterals. (i) Quadrilateral LIFT LI = 4 cm IF = 3 cm TL = 2.5 cm LF = 4.5 cm IT = 4 cm 1. Construct the following quadrilaterals. (i) Quadrilateral LIFT LI = 4 cm IF = 3 cm TL = 2.5 cm LF = 4.5 cm IT = 4 [...]

A cubical block (of side 2 m) of mass 20 kg slides on inclined plane lubricated with the oil of viscosity η = 10^−1 with constant velocity of 10 m/s. Find out the thickness of the layer of liquid (take g=10 m/s^2). A long capillary tube of radius 1 cm open at both ends is [...]

A drop of water of radius 0.0015 mm is falling in air. If the coefficient of viscosity of air is 1.8 × 10^−8 kg/ms. what will be the terminal velocity of the drop. Density of air can be neglected. A drop of water of radius 0.0015 mm is falling in air. If the coefficient of [...]

1. Construct the following quadrilaterals. (iv) Rhombus BEST BE = 4.5 cm ET = 6 cm 1. Construct the following quadrilaterals. (iv) Rhombus BEST BE = 4.5 cm ET = 6 cm October 11, 2020 Category: Chapter 3 - Understanding Quadrilaterals , Maths , NCERT Class 8 ,

1. Construct the following quadrilaterals. (ii) Quadrilateral JUMP JU = 3.5 cm UM = 4 cm MP = 5 cm PJ = 4.5 cm PU = 6.5 cm 1. Construct the following quadrilaterals. (ii) Quadrilateral JUMP JU = 3.5 cm UM = 4 cm MP = 5 cm PJ = 4.5 cm PU = 6.5 [...]

A man is rowing a boat with a constant velocity v0 in a river. The contact area of boat is ‘A’ and coefficient of viscosity is η. The depth of river is ‘D’ . Find the force required to row the boat. A man is rowing a boat with a constant velocity v0 in a [...]

1. Construct the following quadrilaterals. (iii) Parallelogram MORE OR = 6 cm RE = 4.5 cm EO = 7.5 1. Construct the following quadrilaterals. (iii) Parallelogram MORE OR = 6 cm RE = 4.5 cm EO = 7.5 October 11, 2020 Category: Chapter 3 - Understanding Quadrilaterals , Maths , NCERT Class 8 ,

A viscous fluid is flowing through two horizontal pipes. The pressure difference P2 – P1 ​between the ends of each pipe is the same. The pipes have the same radius, although one is twice as long as the other. How does the volume flow rate QB ​in the longer pipe compare with the rate QA [...]