Archives

Mention any one positive aspect of television

Positive aspect of television are: Television gives exposure to the happenings around the world. It provides entertainment when required.... View Article

Calculate the area of a quadrilateral ABCD when the length of the diagonal AC=10cm and the lengths of perpendiculars from B and D on AC be 5cm and 6cm respectively.

Length of the diagonal (AC)=10 cm Area of quadrilateral ABCD=ar(△ABC)+ar(△ACD) =(1/2×AC×BM)+(1/2×AC×DL)... View Article

Suggest the most important type of intermolecular attractive interaction in the following pairs: (i) n-hexane and n-octane (ii) I2 and CCl4 (iii) NaClO4 and water (iv) methanol and acetone (v) acetonitrile (CH3CN) and acetone (C3H6O)

Inter-molecular attractive interaction in the following pairs are: (i) Van der waals interactions (ii) Van der waals interactions (iii) Ion... View Article

The energy absorbed by each molecule (A2 of a substance is 4.4×10−19 J) and bond energy per molecule is 4×10−19 J. The kinetic energy of the molecule per atom will be:

Kinetic Energy per atom = energy absorbed−bond energy / number of atoms in the moleculesGiven: Molecule is A2 (diatomic)Energy absorbed =... View Article

Which of the following is an amino acid derived hormone a) Epinephrine b) Estriol c) Estradiol d) Ecdysone

Option a) Epinephrine. Epinephrine is secreted by the adrenal gland.... View Article

The main memory of a computer can also be called

The main memory of a computer can also be called as primary memory. It is also known as Random Access Memory (RAM).... View Article

What type of magnetic material is used in making electromagnets a) Paramagnetic b) Ferromagnetic c) option 1 and 2 d) None of the option

Option b) Ferromagnetic. These materials have low retentivity and high permeability.... View Article

Name the simplest hydrocarbon

Methane (CH4) is the simplest hydrocarbon and is the first member of the alkane family.... View Article

Aluminium is used in thermite welding because a) It is a strong oxidizing agent b) It is a reactive metal c) It is a light metal d) It has more affinity for oxygen

Option d) It has more affinity for oxygen. Aluminium is a strong reducing agent.... View Article

Write a full form of RFLP

Full form of RFLP is Restriction Fragment Length Polymorphism.... View Article

————- energy is the main driving force of the ecological system a) Solar b) Mechanical c) Hydro d) Electric

Option a) Solar. Main driving force of the ecological system is the solar energy.... View Article

Give one example of the community owned resources

Grazing ground, public parks, playgrounds, Village ponds are some examples of community-owned resources.... View Article

What are convex polyhedrons

A convex polyhedron can be defined as a polyhedron for which a line connecting any two non-coplanar points on the surface always lies in the... View Article

Explain why an electromagnet is called a temporary magnet

An electromagnet is called a temporary magnet because it produces a magnetic field only when the current flows in its coil. The magnetic field... View Article

The battle of wandiwash was fought between the a) English and French b) Hydrogen bonds c) Nizam of Hydrabad and the French d) Nawab of Carnatic and the English

Option a) English and French. Battle of wandiwash was fought in the year 1760.... View Article

M	T	W	T	F	S	S
			1	2	3	4
5	6	7	8	9	10	11
12	13	14	15	16	17	18
19	20	21	22	23	24	25
26	27	28	29	30	31