Question
Consider the following statements regarding the
‘Tyndall effect’. 1. It is a phenomenon wherein scattering of a beam of light can be observed. 2. It can be observed when a fine beam of light enters a room through a small hole. 3. It can be observed when sunlight passes through the canopy of a dense forest. Which of the statements given above is/are correct?Solution
The correct answer is D
PA and PB are two tangents from a point P outside the circle with centre O. If A and B are points on the circle such ∠APB = 128°, then ∠OAB ...
Tangents AB and AC are drawn to a circle from a point A, such that BAC = 400. A chord CP is drawn parallel to BA. The measure of ∠ CBP is...
For what value of do the simultaneous equations 2x+3y=1, 4x+6y = λ have infinite solutions?
Ina circle with centre O, AD is a diameter and AC is a chord. B is a point on AC, such that OB = 5 cm and ∠OBA = 600 If ∠DOC = 60...
In a ∆ ABC, the bisectors of ∠ B and ∠ C meet at O. If ∠ BOC = 142°, then the measure of ∠ A is
Find the equation of the plane with intercept 3 on the y-axis and parallel to ZOX plane.
Given the sides of a triangle as 3.4 cm and 5.2 cm, what can be the length of the third side (x) in cm?
If f(0) = 3, f(1) = 5, f(3) = 21, then the unique polynomial of degree 2 or less using Newton divided difference interpolation will be:
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