The maximum horizontal range is obtained when _____. \(\begin{array}{l}\Theta=45^{\circ}\end{array} \) \(\begin{array}{l}\Theta=30^{\circ}\end{array} \) \(\begin{array}{l}\Theta=90^{\circ}\end{array} \) \(\begin{array}{l}\Theta=180^{\circ}\end{array} \) Answer: Option 2 =... View Article
Answer: (1) An aircraft taking off projectile motion Any object thrown into space with only gravity acting on it is referred... View Article
Time to rise is equal to time of fall.
Surface Tension of a liquid decreases when impurity is added to it.
Water rises from roots to leaves of plants by the phenomenon capillary action. Capillary action by the xylem tissue Xylem... View Article
Oil spreads on cold water but may remain as a drop in hot water. The surface tension of oil is... View Article
Answer: Acute angle When a liquid wets a solid surface, the adhesive force between the liquid and walls of the vessel are more... View Article
When wetting agents like soap or dyes are added to water, the angle of contact becomes small so that these... View Article
From the concept of surface tension; pressure inside the bubble = 4S/R.
A) Reflection B) Polarization C) Diffraction D) Interference Polarization is shown by only transverse waves
The only force which acts upon a projectile is Force of gravity.
The most prominent theory of the origin of the universe is the Big Bang Theory. The Big Bang Theory is the... View Article
What is the other name given to the Big Dipper? Saptarishi Plough Saucepan All of the these Answer: Option 4... View Article
Astronomy is defined as the scientific study of planets and other heavenly bodies. It is one of the oldest sciences... View Article
One parsec is _____ light years. Answer: 3.26 Explanation: Parsec is the unit of length used to measure the large... View Article
Milky Way is the second-largest galaxy in the Local Group. The Milky Way is about 1,000,000,000,000,000,000 km (about 100,000 light years or... View Article
A galaxy is defined as a large group of stars, gas, and dust bound together by gravity. Our galaxy is... View Article
The presence of bright sunlight makes the stars invisible during the daytime. Explanation The presence of bright sunlight causes the... View Article
The expansion of the universe was first observed by Edwin Hubble. The explanation for the expansion of the universe was... View Article
A light-year is defined as the measurement of length or the distance light travels in a vacuum in a year.... View Article
