Maths-
General
Easy
Question
The equation where χ is a variable with real roots, then the interval of p may be any one of the following
The correct answer is:
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An engine is moving on a circular track with a constant speed. It is blowing a whistle of frequency The frequency received by an observer standing stationary at the centre of the track is
An engine is moving on a circular track with a constant speed. It is blowing a whistle of frequency The frequency received by an observer standing stationary at the centre of the track is
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In Young’s experiment, monochromatic light is used to illuminate the two slits A and B. Interference fringes are observed on a screen placed in front of the slits. Now if a thin glass plate is placed normally in the path of the beam coming from the slit
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physics-General
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If and , then the possible values of χ between and are
If and , then the possible values of χ between and are
maths-General
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A) Area bounded by = 2 and coordinate axes
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D) Area bounded by and y=2x Arrange the above statements in the ascending order of areas.
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Velocity-time - graph for a moving object is shown in the figure. Total displacement of the object during the same interval when there is non-zero acceleration and retardation is
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Physics-General
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A particle moves along the sides of a square of side wuth a velocity of . Its average velocity is
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The velocity-time graph of a body moving in a straight line is shown in the figure. The displacement and distance travelled by the body in are respectively
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The area bounded by , Y-axis and the line y=e is
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maths-General
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If then the general value of 'α ' is
If then the general value of 'α ' is
maths-General
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The parabolas divide the square region bounded by the lines x=4, y=4 and the co-ordinate axes. If are respectively the areas of these parts numbered from top to bottom then is
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The figure shows a double slit experiment P and Q are the slits. The path lengths PX and QX are and respectively, where n is a whole number and is the wavelength. Taking the central fringe as zero, what is formed at X
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If then = ---
If then = ---
maths-General
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A particle starts from rest. Its acceleration time is as shown in the figure. The maximum speed of the particle will be
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physics-General
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In figure, one car at rest and velocity of the light from head light is , tehn velocity of light from head light for the moving car at velocity , would be
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physics-General