Question
Which of the following is NOT an example of longitudinal
waves?Solution
Electromagnetic waves, unlike sound or seismic P-waves, are transverse waves where the oscillations of the electromagnetic fields are perpendicular to the direction of wave travel.
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...
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 ...
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...
Find the distance between the points P (2, -1, 3) and Q (-5, 2, 1)?
The sides AB and AC of ∆ ABC are produced to points D and E, respectively. The bisectors of ∠ CBD and ∠ BCE meet at P If A = 720 then ...
For what value of do the simultaneous equations 2x+3y=1, 4x+6y = λ have infinite solutions?
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?
In a ∆ ABC, the bisectors of ∠ B and ∠ C meet at O. If ∠ BOC = 142°, then the measure of ∠ A is
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:
Find the equation of the plane with intercept 3 on the y-axis and parallel to ZOX plane.
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