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Diagonals of a trapezium ABCD with AB∥DC intersect each other at the point O. If AB = 2 CD, find the ratio of the areas of triangles AOB and COD Diagonals of a trapezium ABCD with AB∥DC intersect each other at the point O. If AB = 2 CD find the ratio of the areas [...]

Suppose universal gravitational constant starts to decrease, then Suppose universal gravitational constant starts to decrease then October 5, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

Figure shows the kinetic energy ( Ek ) and potential energy ( EP ) curves for a two – particle system. Name the point at which the system is a bound system. Figure shows the kinetic energy ( Ek ) and potential energy ( EP ) curves for a two - particle system. Name the [...]

Let triangle abc similar to triangle def and their areas be, respectively 64 cm^2 and 121 cm^2 . If ef = 15.4 cm, find bc. find bc. Let triangle abc similar to triangle def and their areas be respectively 64 cm^2 and 121 cm^2 . If ef = 15.4 cm October 5, 2020 Category: Chapter [...]

If AD and PM are medians of triangles ABC and PQR, respectively where ΔABC ∼ ΔPQR prove that AB/PQ = AD/PM. If AD and PM are medians of triangles ABC and PQR respectively where ΔABC ∼ ΔPQR prove that AB/PQ = AD/PM. October 5, 2020 Category: Chapter 6 - Triangles , Maths , NCERT Class [...]

A vertical pole of a length 6 m casts a shadow 4m long on the ground and at the same time a tower casts a shadow 28 m long. Find the height of the tower. A vertical pole of a length 6 m casts a shadow 4m long on the ground and at the same [...]

Sides AB and AC and median AD of a triangle ABC are respectively proportional to sides PQ and PR and median PM of another triangle PQR. Show that ΔABC ∼ ΔPQR. Sides AB and AC and median AD of a triangle ABC are respectively proportional to sides PQ and PR and median PM of another [...]

D is a point on the side BC of a triangle ABC such that angle ADC = angle BAC Show that CA square = CB.CD. D is a point on the side BC of a triangle ABC such that angle ADC = angle BAC Show that CA square = CB.CD. October 5, 2020 Category: Chapter [...]

Sides AB and BC and Median AD of a triangle ABC are proportional to sides PQ and PR and median PM of triangle PQR. Show that triangle ABC ~ triangle PQR . Sides AB and BC and Median AD of a triangle ABC are proportional to sides PQ and PR and median PM of triangle [...]

In Fig. 6.40, E is a point on side CB produced of an isosceles triangle ABC with AB = AC. If AD ⊥ BC and EF ⊥ AC, prove that Δ ABD ~ Δ ECF. E is a point on side CB produced of an isosceles triangle ABC with AB = AC. If AD ⊥ [...]