For a light ray passing through the prism, the angle between the incident ray and the emergent ray is known as the............... . (diffraction, angle of deviation, tyndall)

For a light ray passing through the prism, the angle between the …

Magnetic force acting on a current-carrying wire kept in a magnetic field is in………direction to the magnetic field. (parallel, normal, perpendicular)

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To prevent pregnancy, copper-T is placed in __________. (Uterus, Ovary, Fallopian tube)

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The electronic configuration of the atom of an element is $2, 8, 6,$ then this element is placed in……… group.(sixth. eighth, sixteenth)

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The presence of Y-chromosome in human being is essential for being a ………. (bemale, cannot say, male,)

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Cytokinins promotes _________ in plants.(Cell division, Flowering, Root growth)

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In India, the direction of $AC$ changes…....times in one second. $(100, 50, 200)$

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Incident ray, normal drawn at the point of incidence and reflected ray lie in _______ plane / planes.(one, two, three)

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The colour of copper $(II)$ oxide is $……...($black, blue, green$)$

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The opening and closing of the Stomata is a function of __________ cells.

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Radius of curvature of a spherical mirror is always _______ its focal length.(half of, three times, twice)

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