Work is a scalar quantity because it is the dot product of two vectors (Force and displacement). All the others have direction and magnitude, so... View Article
In a parallelogram, opposite angles are equal. Given : Parallelogram ABCD To prove ; ∠A = ∠C and ∠B = ∠D Diagram Proof : In parallelogram... View Article
A typical modern solder has 99.25 percent tin and 0.75 percent copper. Old-Model solders contain a mixture of tin (50-70%), lead (30-50%),... View Article
Hypermetropia is a condition in which a person can see distant objects clearly but cannot see nearly objects distinctly. It is also known as... View Article
To convert benzyl alcohol to 2-phenylethanoic acid few steps has to be followed First benzyl alcohol is reacted with PCl5 to given benzyl... View Article
Aquatic plants, also termed as hydrophytes. The most common hydrophytes are- Lotus (Nelumbo) Hydrilla which is commonly seen in ponds lakes etc... View Article
Answer: (A) A unique real number Every point on a number line represents a unique number. Option (A) A unique real number A number line is a... View Article
The inertia is the physical property of a body of an object tends to cause the object to resist any change in its state of rest or motion. The... View Article
sodium is highly reactive metal and it easily and quickly reacts with water and atmospheric air. If we keep it open in air, it will have a... View Article
One machine makes 50 kg bread in 3 mins 1 machine : 50 kg : 3 mins To find the number of machines to make 300 kg in 3 mins: 300 ÷ 50 = 6 The... View Article
Meteorological instruments are the equipment used for the measurement of different weather parameters such as temperature, pressure, humidity,... View Article
The region which has always the temperature 65 degree F or above is a tropical region. This region is also referred to as the tropical zone and... View Article
The electronic configuration of fluorine is 2,7. Fluorine is the ninth element with a total of 9 electrons. The first two electrons will go in... View Article
1st angle of projection(first quadrant of coordinate plane) 3rd angle of projection(3rd quadrant of coordinate plane). The angle of projection... View Article
A homogeneous mixture is a solid, liquid, or gaseous mixture that has the same proportions of its components throughout any given sample. Milk is... View Article
It was named after Dr. Guillotin who invented it. The guillotine was a device consisting of two poles and a blade with which a person was... View Article
To find the square root of 169 by the long division method we will follow the steps given below Group the number in pairs from the right end.... View Article