Share Facebook Email Telegram WhatsApp Results #1. One liter of water at 30^0 c is mixed with one liter of water at 500 C. The temperature of the mixture will be __________. 80^0 C 80^0 C More than 50^0 C but less than 80^0 C More than 50^0 C but less than 80^0 C 20^0 C 20^0 C Between 30^0 C and 50^0 C Between 30^0 C and 50^0 C #2. Convection may occur through ________. Solid and Liquids Solid and Liquids Liquids and Gases Liquids and Gases Solids and Gases Solids and Gases Solid Liquid and Gases Solid Liquid and Gases #3. In vacuum, the heat is transferred by the process of ________. Convection Convection Radiation Radiation Conduction Conduction Insulation Insulation #4. A plastic spoon is dipped in a cup of Ice cream, Its other end _________. Becomes cold by Conduction Becomes cold by Conduction Becomes cold by Convection Becomes cold by Convection Becomes cold by Radiation Becomes cold by Radiation Does not become cold Does not become cold #5. A beggar wrapped himself with a few layers of newspaper on a cold winter night. This helped him to keep himself warm because ______. Friction between the layers of newspaper produces heat. Friction between the layers of newspaper produces heat. Air trapped between the layers of newspaper is a bad conductor of heat. Air trapped between the layers of newspaper is a bad conductor of heat. Newspaper is a conductor of heat. Newspaper is a conductor of heat. Newspaper is at a higher temperature than the temperature of the surroundings. Newspaper is at a higher temperature than the temperature of the surroundings. #6. Shining thread in thermometer is the column of _________. Mercury Mercury Water Water Xenon Xenon Silver dye Silver dye #7. The maximum and minimum temperature of the day is measured by a _________. Clinical Thermometer Clinical Thermometer Laboratory Thermometer Laboratory Thermometer Maximum – Minimum Thermometer Maximum – Minimum Thermometer All of the above All of the above #8. In ________generally, the heat is transferred by the process of conduction. Liquids Liquids Solids Solids Gases Gases Wood Wood #9. In coastal areas, cold air flows in the day from sea to land. It is called ________. Sea Breeze Sea Breeze Land Breeze Land Breeze Cold Breeze Cold Breeze Hot Breeze Hot Breeze #10. To determine which object is hottest the most reliable measurement is ________. By touch By touch By colour By colour By thermometer By thermometer By licking By licking Finish
