Excessive quantities of chemicals (fertilizers, weedicides,insecticides, pesticides etc.) get washed away from the fields entering into water bodies like ponds,rivers,sea.... View Article
The time taken to complete one oscillation is known as the time period of the pendulum. Time Period = (Total... View Article
Stretching the rubber band, changes its shape. Plastic bottles change their shape when squeezed. Explanation When a force acts on... View Article
No, electromagnets attract only magnetic substances. Plastic bags are non-magnetic in nature and are not attracted by an electromagnet. Hence,... View Article
A concave mirror always forms a real image. False Explanation Concave mirrors form both real and virtual images . When... View Article
False Explanation Maximum iron filings stick at the two ends of the magnet, as the magnetic strength is maximum at... View Article
As rubber is a bad conductor of electricity, so it does not allow the electric current to pass through it.... View Article
Things which shine are: Glass bowl and steel spoon. Explanation Lustrous materials appear shiny, while non-lustrous materials do not shine.... View Article
A concave lens always forms a virtual image, is true. Explanation Concave lenses are known as diverging lenses as the... View Article
A real image cannot be obtained on a screen.False. Explanation Real images can be obtained on screens whereas virtual images... View Article
List of some items that float on water: Piece of paper Wood Balloon Plastic bottle Ice Boat List of items... View Article
More number of tube-well leads to deplete the groundwater table and there will be a time when there will be... View Article
Two examples of push force are as follows: A heavy box at rest is pushed to move it from one... View Article
1 m = 100 cm 1 cm = 10 mm ∴ 1 m = 100 × 10 = 1000mm Now,... View Article
An electromagnet does not attract a piece of iron – False Explanation Working of an electromagnet is based on the... View Article
The number of petals and sepals in a flower may be equal or different in different plants. Explanation Flowers have... View Article
In a dark room, there is no light for reflection to take place; hence we can’t see objects. If there... View Article
The presence of specific features, which enable a plant or an animal to live in a particular habitat, is called... View Article
The size of the chest cavity increases during inhalation. (True) Explanation During the process of inhalation, the lung volume expands... View Article
Frogs breathe through their skins as well as their lungs. (True) Explanation It is an amphibious animal that can live... View Article
