Category: Physics

What is the disadvantage of hydrogen? Disadvantage: Hydrogen Storage and Transportation Compressing the hydrogen requires about 13% of the total energy content of the hydrogen itself, and if it is liquefied it loses about 40%. Hydrogen gas is highly flammable and can easily escape containment. If hydrogen gas escapes containment, it can corrode metals. Why […]

Is a Double Rainbow possible? The term double rainbow is used when both the primary and secondary rainbows are visible. In theory, all rainbows are double rainbows, but since the secondary bow is always fainter than the primary, it may be too weak to spot in practice. What would a rainbow symbolize? A symbol of […]

What is the pattern of rural settlements? Pattern of settlement is defined as the relationship between one house or building to another. The rural settlements are classified under following patterns: Rectangular, Linear, Circular, Semi-circular, Star-like, Triangular, and Nebular Pattern. What are the 4 settlement patterns? All the settlement patterns including linear, nucleated and dispersed. What […]

Is there any symptoms when sperm meets egg? Pregnancy begins when a sperm fertilizes an egg. This usually occurs in the 2 weeks following the first day of the most recent menstrual period. In the first few weeks of pregnancy, a woman may have no symptoms. Some can sense that they are pregnant, but most […]

What must all living things have? The seven characteristics of life include: responsiveness to the environment; growth and change; ability to reproduce; have a metabolism and breathe; maintain homeostasis; being made of cells; and. passing traits onto offspring. Do all living things need oxygen? Most living things need oxygen to survive. Oxygen helps organisms grow, […]

How can a simple machine lift a heavy load with small effort? Such a pulley makes our work easier by simply changing the direction of the force, i.e. a load is lifted up using a downward effort. It is easier to lift a load up by pulling it down rather than by pulling it up […]

What is the center of the circle with equation? We know that the general equation for a circle is ( x – h )^2 + ( y – k )^2 = r^2, where ( h, k ) is the center and r is the radius. What is the equation of a circle with Centre at […]

How do you keep fresh bread from getting moldy? Yep — your fridge. By keeping the bread in a cool and dark place, it will last longer and stay fresh. Heat, humidity and light are all bad for bread but great for fungi or mold, so consider your fridge your best bet to keep your […]

How many carbons are in Calvin cycle? six carbon Why is Calvin cycle called a cycle? The cycle is light-independent because it takes place after the energy has been captured from sunlight. The Calvin cycle is named after Melvin C. Calvin, who won a Nobel Prize in Chemistry for finding it in 1961. What are […]

How does wheel size affect your robot? Choose smaller sized wheel for flat terrain, larger wheel for more “off-road” (or large obstacles) Proportional to the size of the robot (choosing a wheel proportional to the size of the robot will usually mean the motor you will need is also proportional, and the robot has a […]