CTET Solved Paper - CTET Feburary 2016 Paper2
- Option : B
- Explanation : The time taken to complete one revolution around the sun by planets is called the period of revolution. It depends on the distance from the sun. More the distance from the Sun, more will be the time taken to complete one revolution. Mercury and Venus are nearer to the sun than the Earth. so, their periods of revolution are lesser than that of the Earth. Their periods of rotation are more than the Earth. ValueS of periods taken by the planet to revolve and rotate are independent of each other.
- Option : B
- Explanation : The melting point is the temperature at which solid melts (changes into liquid). Here Aluminium(Al) and Iron (Fe) have the melting point of more than 200°C. So, they will remain in the solid state at 200°C.
- Option : A
- Explanation : The direction of flow of current in a circuit is from positive to negative terminal of a battery. In the given circuit, with an increase in the value of resistance of a resistor (which reduces the flow of current), the current flow to bulb B2 will be affected. In this case, bulb B2 will become dimmer and bulb B1, will remain unchanged.
- Option : B
- Explanation : Statement A is correct as the range of clinical thermometer is 35°C to 42°C whereas statement B is false as the range of laboratory thermometer is -10°C to 110°C.
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