Physics-
General
Easy
Question
A solid sphere of mass 10 kg is placed over two smooth inclined planes as shown in figure. Normal reaction at 1 and 2 will be 




- 60 N, 40 N
The correct answer is: 
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The number of integral values of k for which the equation has a solution is
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Yellow light is used in single slit diffraction experiment with slit width 0.6 mm. If yellow light is replaced by X-rays then the pattern will reveal
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In a right angled triangle, the hypotenuse is times the length of the perpendicular drawn from the opposite vertex to the hypotenuse. Then the other two angles are
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If the figure below represents a parabola, identify the physical quantities representing
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A particle moves along
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Which of the following is true
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The equation
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The equation
where χ is a variable with real roots, then the interval of p may be any one of the following
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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

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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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A) Area bounded by = 2 and coordinate axes
B) Area bounded by
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D) Area bounded by
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Velocity-time
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Physics-General