The maximum resistance which can be made using four resistors each of 2 Ω is (a) 2 Ω (b) 4Ω (c) 8Ω (d) 16 Ω
c) 8ohm Explanation The maximum resistance of a set of resistors can be obtained by connecting them in series. Hence,... View Article
Latest Posts
Person suffering from cataract has (a) elongated eyeball (b) excessive curvature of eye lens (c) weakened ciliary muscles (d) opaque eye lens
(d) Opaque eye lens Explanation A person suffering from cataract has an opaque eye lens. In cataracts, the crystalline lens... View Article
Consider the following reasons for the reddish appearance of the sun at the sunrise or the sunset : A. Light from the sun near the horizon passes through thinner layers of air. B. Light from the sun covers larger distance of the earth’s atmosphere before reaching our eyes. C. Near the horizon, most of the blue light and shorter wavelengths are scattered away by the particles. D. Light from the sun near the horizon passes through thicker layers of air. The correct reasons are (a) A and C only (b) B, C and D (c) A and B only (d) C and D only
(b) B, C and D Explanation The reddish appearance of the sun at sunrise or sunset is due to the... View Article
How can we control hypothyroidism?
Limit processed foods and those high in fat and sugar. Proper treatment can also help you manage your weight and... View Article
What is hyperthyroidism?
Hyperthyroidism (overactive thyroid) occurs when your thyroid gland produces too much of the hormone thyroxine. Hyperthyroidism can accelerate your body’s... View Article
State the function of thyroxine in human body.
The thyroid gland is a vital hormone gland: It plays a major role in the metabolism, growth and development of... View Article
Where is thyroid gland situated in our body?
Thyroid gland is found at the front of the neck, under the voice box. It is butterfly-shaped: The two side lobes... View Article
State an important advantage of using AC over DC.
Advantages of alternating current (AC) over direct current (DC) AC is easy and cheaper to generate than DC. AC can... View Article
Name the phenomenon that explains the working of an electric generator.
Electromagnetic Induction is the phenomenon used for the electric generator. Explanation Faraday’s Laws Of Electromagnetic Induction Faraday’s First Law: The... View Article
Name two countries, other than India, where power plants based on geothermal energy are operational.
Indonesia and Iceland are some countries where geothermal power plants are operational. Explanation Geothermal energy is the thermal energy generated... View Article
What are geothermal energy hot-spots?
Geothermal energy is the thermal energy generated and stored inside the Earth’s crust. The center of the Earth remains at... View Article
How many metals are present in second period of periodic table?
Two metals are present in second period of periodic table that is Lithium and Beryllium. Lithium Lithium exhibits distinct properties... View Article
Covalent compounds have low melting and boiling point. Why?
Covalent compounds have low melting point due to the weak van der Waal’s forces,hus less energy is required to break... View Article
Permafrost – Causes and Effects of Thawing Permafrost
Latest context: The latest Intergovernmental Panel on Climate Change (IPCC) report has warned that increasing global warming will result in... View Article
15 Sep 2021: The Hindu Analysis
UPSC Current Affairs Preparation: The Hindu Analysis Watch expert analysis of ‘The Hindu’ dated 15th Sep 2021. Important news and... View Article
Robots in Warfare [UPSC GS 3 Notes]
For the uninitiated, military robots are either autonomous or remote-controlled robots designed for use in military applications such as search... View Article
In one glass, milk and water are mixed in the ratio of 3:5 and in another glass they are mixed in the ratio 6:1. In what ratio should the content of the two glasses be mixed together so that the next mixture contains milk and water in the ratio of 1:1?
The ratio of milk and water in mixture 1 is 3:5 Let the quantity of mixture-1 be x Quantity of... View Article
The Molecular Weight Of Benzoic Acid In Benzene As Determined By Depression In The Freezing Point Method Corresponds To (A) Solvation Of Benzoic Acid. (B) Ionization Of Benzoic Acid. (C) Dimerisation Of Benzoic Acid.(D) Trimerisation Of Benzoic Acid.
Answer : (C) Dimerisation of benzoic acid. Benzoic acid is an organic compound that is described by the chemical formula... View Article
Sterilization of tissue culture medium is done by (A) Keeping the medium at -20°C. (B) Filtering the medium through a fine sieve. (C) Mixing the medium with antifungal agents. (D) Autoclaving of the medium at 120°C for 15 minutes.
The correct answer is (D) Autoclaving of the medium at 120°C for 15 minutes. Explore more such questions and answers... View Article
Two positively charged particles, each of mass 1.7 x 10−27 kg and carrying a charge of 1.6 x10−19 C are placed at a distance d apart. If each experiences a repulsive force equal to its weight, find the value of d.
Given: m = \(\begin{array}{l}1.7 * 10^{-27}\end{array} \) kg q = \(\begin{array}{l}1.6 * 10^{-19}\end{array} \) C Find out We have to... View Article
