A) reduces drastically the surface tension between water and oil |
B) increases the surface tension between water and oil |
C) increases the viscosity of water and oil |
D) decreases the viscosity in detergent mixed water |
A) reduces drastically the surface tension between water and oil |
1). Motion of an oscillating liquid column in a U-tube 1s :
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2). A ray of white light strikes the surface of an object. If all the colours are reflected the surface would appear:
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3). Magnetic, electrostatic and gravitational forces come under the category of
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4). Dispersion process forms spectrum due to white light falling on a prism. The light wave with, shortest wavelength :
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5). The main source of energy in Sun is:
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6). A liquid initially contracts when cooled down to 4 degree C but on further cooling down to 0 degree C, it expands. The liquid is :
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7). Which one among the following may be considered a reason for India having 'high dependency' ratio ?
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8). Which of the following statements about Nathu 1a Pass are correct ? 1. It links Sikkim with Tibet 2. It was the main artery of the ancient Silk Route 3. It was reopened in the year 2006 Select the answer using the code given below :
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9). Red soil colour is caused by :
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10). Mid latitude cyclones :
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