Science Quiz 60

This is a timed quiz. You will be given 15 seconds per question. Are you ready?

A glass of water does not turn into ice as it reaches 0° C. It is because?

A certain amount of heat must be taken out from the glass of water so as to solidify

Water does not solidify at 0°C

A certain amount of heat must be supplied to the glass of water so as to solidify

Water solidifies at 0° K only

Correct! Wrong!

The best and the poorest conductors of heat are respectively?

Copper (cu) and gold (Au)

Silver (Ag) and lead (Pb)

Copper (Cu) and aluminium (Al)

None

Correct! Wrong!

If a heater coil is cut into two equal parts and only one part is used in the heater, the heat generated will be:

Doubled

Halved

Tripled

None

Correct! Wrong!

Which one of the following is the mode of heat transfer in which warm material is transported so as to displace a cooler material?

Conduction only

Both conduction and convection

Convection only

None

Correct! Wrong!

In a pressure cooker cooking is faster because the increase in vapour pressure?

Increases the boiling point

It decreases in the boiling point

No change is seen

None

Correct! Wrong!

Which one among the following waves are called waves of heat energy?

Ultraviolet waves

Radio waves

Infrared waves

None

Correct! Wrong!

Thermometer A and B have ice points marked at 15° and 25° and steam points at 75° and 125° respectively. When thermometer A measures the temperature of a bath as 60° the reading of B for the same bath is?

100%

10%

None of these

Correct! Wrong!

Which one among the following denotes the smallest temperature?

1° on the Celsius scale

1° on the Fahrenheit scale

None

1° on the Kelvin scale

Correct! Wrong!

Science Quiz 60

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Science Quiz 60

A glass of water does not turn into ice as it reaches 0° C. It is because?

The best and the poorest conductors of heat are respectively?

If a heater coil is cut into two equal parts and only one part is used in the heater, the heat generated will be:

Which one of the following is the mode of heat transfer in which warm material is transported so as to displace a cooler material?

In a pressure cooker cooking is faster because the increase in vapour pressure?

Which one among the following waves are called waves of heat energy?

Thermometer A and B have ice points marked at 15° and 25° and steam points at 75° and 125° respectively. When thermometer A measures the temperature of a bath as 60° the reading of B for the same bath is?

Which one among the following denotes the smallest temperature?

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Science Quiz 60

A glass of water does not turn into ice as it reaches 0° C. It is because?

The best and the poorest conductors of heat are respectively?

If a heater coil is cut into two equal parts and only one part is used in the heater, the heat generated will be:

Which one of the following is the mode of heat transfer in which warm material is transported so as to displace a cooler material?

In a pressure cooker cooking is faster because the increase in vapour pressure?

Which one among the following waves are called waves of heat energy?

Thermometer A and B have ice points marked at 15° and 25° and steam points at 75° and 125° respectively. When thermometer A measures the temperature of a bath as 60° the reading of B for the same bath is?

Which one among the following denotes the smallest temperature?

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