The offending substance in the liquor tragedies leading to blindness, etc.. is
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Consider the following statements : A person in a spaceship located half way between the earth and the sun will notice that the I. Sky is jet black. II. Stars do not twinkle. III. Temperature outside the spaceship is much higher than that on the surface of the earth. Of these statements
Consider the following statements : A person in a spaceship located half way between the earth and the sun will notice that the I. Sky is jet black. II. Stars do not twinkle. III. Temperature outside the spaceship is much higher than that on the surface of the earth. Of these statements
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Consider the following statements : At the present level of technology available in India, solar energy can be conveniently used to
Consider the following statements : At the present level of technology available in India, solar energy can be conveniently used to
I. supply hot water to residential buildings.
II. supply water for minor irrigation projects.
III. provide street lighting.
IV. electrify a cluster of villages and small towns. Of these statements -
Assertion (A): Transformer is useful for stepping up or stepping down voltages. Reason (R): Transformer is a device used in D.C. circuits. In the context of the above two statements, which one of the following is correct
Assertion (A): Transformer is useful for stepping up or stepping down voltages. Reason (R): Transformer is a device used in D.C. circuits. In the context of the above two statements, which one of the following is correct ?
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The variation of displacement [d] with time [t] in the case of a particle falling freely under gravity from rest is correctly
The variation of displacement [d] with time [t] in the case of a particle falling freely under gravity from rest is correctly
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Total internal reflection can take place when light travels from
Total internal reflection can take place when light travels from
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When a mirror is rotated by an angle of 6, the reflected ray will rotate by
When a mirror is rotated by an angle of 6, the reflected ray will rotate by