- Prevents infrared rays radiation from sun reaching earth
- Prevents infrared rays reflected from earth from escaping earth’s atmosphere
- Prevents Ultraviolet rays from sun
- Reflects back Radio Wave
- C
-
Ozone layer is found in the Stratosphere.
Stratosphere is at the height of 15-30 Km from earth surface.
Ozone layer absorbs UV B radiations produce resistance tor reach earth.
- Water is good conductor of heat
- Water has very high specific heat capacity
- Water boils at a comparatively high temperature
- Evaporation of water produces lot of cooling
- B
-
Water is highly effective coolant for a car engine because:
- Vinegar
- Vitamin C
- Lemon Juice
- Aspirin
- B
-
The Acetic Acid other names are Ethanoic Acid, Ethylic Acid, Vinegar Acid and Methane Carboxylic Acid.
- It will expand
- It will shrink in size
- Its size will remain unchanged
- Will depend on air pressure
- D
-
Balloon weight became less and hydrogen gas weight became height. Due to extra upthrust balloon rises up.
- Element
- Atom
- Molecule
- Mole
- C
-
Smallest unit of compound is Atom.
- 1000
- 2000
- 3000
- 4000
- A
-
1 Mile is equal to 1.6 Km or 1600 meters.
1 Kg is equal to 1000 Grams.
1 Kg is equal to 2.21 Pounds.
1 Ton is equal to 1000 Kg.
- Motherboard
- Fatherboard
- Mainboard
- Base Board
- A
-
Motherboard is the main PCB in computer.
PCB stands fro Printed Circuit Board.
Motherboard is also the backbone of computer.
- Mud is good conductor
- Mud is a bad conductor
- Mud is a neutral insulator by nature
- Cooling in summers and sunlight coming through holes causes warming in winters
- B
-
Mud is bad conducted of heat as compare to wood or metal.
Mud or Clay neither allows heat to enter the mud house nor allows to exit heat.
- Conduction
- Convection
- Radiation
- Heat Energy
- C
- Vitamin A
- Vitamin B
- Vitamin C
- Vitamin D
- D
-
Skin absorbs UV B radiations and converted them into D3.
Vitamin D is obtained from Fish, Egg, Cheese, Beef etc.