What is the effect on weight of iron after rusting?
Which gas is mainly responsible for air pollution?
Which of the following can be grown in black soil?
which of the following is responsible for permanent hardness in water?
Why it is suggested to not keep burning charcoal in a packed room?
Which of the following is filled in batteries?
Why radio valve is used in transistors?
Option ( d) correct answer.
Lower power consumption, less waste heat, and high efficiency than equivalent tubes, especially in small - signal circuits. They can operate on lower - voltage supplies for greater safety, lower costs, tighter clearances.
Which has more relative density ice or alcohol?
The relative densities of water, ice, and alcohol are 1.0, 0.9, and 0.8, respectively. Comment on ice cubes submerged at the bottom of a cocktail.
Mixed alcoholic drinks have less relative densities than water.
So, a greater volume of liquid must be displaced and ice cubes float lower in the mixed alcoholic drink.
What causes problems in making of food in hilly areas?
On mountains and hilly regions, the air is less dense and the atmospheric pressure is also less. So the pressure is reduced as compared to the sea level or below the mountains. Water has a lower boiling point at a lower temperature. The food items like rice or meat need to be cooked at high temperatures.
What is the effect of summer heat on pendulum clock?
what is speed of sound (in dry air at 20 degree)?
Radio waves travel in?
The ionosphere is the ionized part of Earth's upper atmosphere, from about 60 km (37 mi) to 1,000 km (620 mi) altitude, a region that includes the thermosphere and parts of the mesosphere and exosphere.
The ionosphere is ionized by solar radiation. It plays an important role in atmospheric electricity and forms the inner edge of the magnetosphere. It has practical importance because, among other functions, it influences radio propagation to distant places on the Earth.
There are how many spokes in our Ashoka Chakra?
Our national anthem jana gana mana…… is of?
What is saraswati?
The Saraswati Supercluster is a massive galaxy supercluster about 1.2 gigaparsecs away within the Stripe 82 region of SDSS, in the direction of the constellation Pisces. It is one of the largest structures found in the universe, with a major axis in diameter of about 200 Mpc.
which is the world's smallest and cheapest jet?
which country awards Nobel prize?
Who was the first transgenic cow?
Which was the first clone sheep?
What was produced from transgenic sheep TRACY?
Which of the following revolution is brought by M.S.SWAMINATHAN?
Which of the following is absolute zero temperature?
Absolute zero is the lowest temperature possible. At a temperature of absolute zero there is no motion and no heat. Absolute zero occurs at a temperature of 0 degrees Kelvin, or -273.15 degrees Celsius, or at -460 degrees Fahrenheit.
Which state of India receives highest rainfall?
Which country launch India's first satellite?
which satellite was the first to be launched from India's land?
Which company brings Internet in India?
First telephone call in India was between?
ISRO headquarter is located in
who is known as architect of PARAM series super computer?
BHAKRA DAM is built on?