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A convex lens and convex mirror are placed co axially and separated by distance d. The focal length of both is 20cm each. A point object is placed at a distance 30cm from the lens. Then the value of d so that image on the object itself is

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A force of 5 n gives a mass m1 an acceleration of 10 m s–2 and a mass m2 an acceleration of 20 m s-2 . what acceleration would it give if both the masses were tied together?

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A force of 5 n gives a mass m1 an acceleration of 10 m s–2 and a mass m2 an acceleration of 20 m s-2 . what acceleration would it give if both the masses were tied together?

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The north pole of a bar magnet is rapidly introduced into a solenoid at one end (say a). which of the following statements correctly depicts the phenomenon taking placea) No induced emf is developed b) The end A of the solenoid behave as south pole c) The end A of the solenoid behave as north pole d) The end A of the solenoid acquires positive potential

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The north pole of a bar magnet is rapidly introduced into a solenoid at one end (say a). which of the following statements correctly depicts the phenomenon taking placea) No induced emf is developed b) The end A of the solenoid behave as south pole c) The end A of the solenoid behave as north pole d) The end A of the solenoid acquires positive potential

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Pressure inside two soap bubbles is 1.01 and 1.02 atmosphere. What is the ratio between their volume?

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Pressure inside two soap bubbles is 1.01 and 1.02 atmosphere. What is the ratio between their volume?

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if angle of minimum deviation of a prism is equal to refracting angle of the prism, then refractive index μ of material of prism satisfies

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if angle of minimum deviation of a prism is equal to refracting angle of the prism, then refractive index μ of material of prism satisfies

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The electric field part of an electromagnetic wave in a medium is represented by Ex = 0 Ey=2.5N/C cos[(2π × 106rad/s)t−(π × 10−2rad/mx)]

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