Physics
A microscope used in pathological laboratories forms

Diminished, real and erect image
Magnified, virtual, erect image
Magnified, virtual and inverted image
Diminished, virtual and erect image

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Physics
Why does bleeding occur through the nose in high mountainous regions ?

The pressure of blood in capillaries is greater than the outside pressure
The blood pressure of a person increases at high altitudes
The blood pressure fluctuates and finally decreases drastically
The pressure at high altitudes is greater than that on the plains

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Physics
The law of conservation of energy states that

Energy can either be created nor destroyed
Energy can neither be created nor destroyed
Energy can either be created or destroyed
Energy can neither be created or destroyed

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