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12 Oct 2021: The Hindu Analysis

UPSC Current Affairs Preparation: The Hindu Analysis Watch expert analysis of ‘The Hindu’ dated 12th Oct 2021. Important news and views to boost... View Article

Draw The Human Excretory System And Label It Parts- Aorta, Vena Cava, Urinary Bladder, Urethra.

The Human Excretory System The human excretory system includes all the organs involved in the elimination of wastes such as salts,... View Article

Why Is Oil Sprinkled On Sea Waves To Calm Them?

The sprinkling of oil on sea waves reduces the surface tension of seawater, due to which a net force acts from lesser surface tension to more... View Article

Which Fuels Can Be Obtained By Microbial Processes ?

Biogas, ethane, methane and other natural gases are examples of fuels obtained from the microbial processes. The fuels obtained from the... View Article

What Is The Difference Between Ligament And Tendon?

Ligament and Tendon - Differences: Ligament Tendon Ligaments are yellow in colour Tendons are white in colour Ligaments are flexible and... View Article

Give Examples Of Polynomials P(X) G(X) Q(X) And R(X), Which Satisfy The Division Algorithm And (I) Deg P(X)=Deg Q(X) (Ii) Deg Q(X)=Deg R(X) (Iii) Deg R(X)=0

(i) deg p(x) = deg q(x) We know the formula, Dividend = Divisor x quotient + Remainder p(x) = g(x) * q(x) + r(x) So here, the degree of the... View Article

The Resistance Of A Conductor Does Not Depend Upon: (A) The Length Of The Conductor. (B) The Humidity Of The Conductor. (C) The Thickness Of The Conductor. (D) The Temperature Of The Conductor.

The correct answer is (B) The humidity of the conductor. The resistance of a conductor does not depend upon the humidity of the conductor.... View Article

Xylem And Phloem Are The Components Of The Transport System In Highly Organized Plants.(True / False)

The given statement is true. Xylem and phloem are the components of the transport system in highly organized plants. Xylem and Phloem are two... View Article

Find The Total Number Of Protons In 10 G Of Calcium Carbonate.

Protons are the positively charged particles that are present in the nucleus of a hydrogen atom. An atom is composed of protons, electrons, and... View Article

What Is The Stability Order Of Carbocation?

The observed order of stability for carbocations is as follows: tertiary > secondary > primary > methyl. Explore more such questions... View Article

Two Particles Each Of Mass M And Charge Q Are Attached To The Two Ends Of A Light Rigid Rod Of Length 2r. The Rod Is Rotated At Constant Angular Speed About A Perpendicular Axis Passing Through Its Centre. The Ratio Of The Magnitudes Of The Magnetic Moment Of The System And Its Angular Momentum About The Centre Of The Rod Is.

Sol: Let the angular speed be ω. Thus the current due to the rotation of charges in circular path = = = Hence magnetic moment, M = iA... View Article

Name The Reagent That Is Used In The Leaching Gold. (A) Carbon.(B) Iodine.(C) Sodium Cyanide. (D) Carbon Monoxide.

The correct answer is (C) Sodium cyanide. Most of the cyanides are used as reagents for mineral processing. Sodium cyanide is used in the... View Article

Fossil Fuels Are Rich In Carbon And______.(A) Oxygen.(B) Sulphur.(C) Nitrogen.(D) Hydrogen.

The correct answer is (D) Hydrogen. Fossils fuels include petroleum, coal, and natural gas and are rich in carbon and hydrogen. Explore more... View Article

An Atom Has X Energy Level Then The Total Number Lines In Its Spectrum Are___.(A) 1 + 2 + 3…..(X2). (B) 1 + 2 + 3…..(X + 1). (C) 1 + 2 + 3…..(X – 1). (D) (X – 1)(X – 2)(X – 3)(X – 4).

The correct answer is (C) 1 + 2 + 3.....(x - 1). An atom has x energy level, then a total number of lines in its spectrum are 1 + 2 +... View Article

Write The Following Sets:

Sol: (1) Set of first five cubic numbers. The set of first five cubic numbers is {1,8,27,64,125} (2) Set of prime numbers smaller than 10.... View Article

What Is Mixture?

Answer: A mixture is defined as a substance formed by combining two or more substances that are not chemically combined with each other. Air,... View Article

Why Is A Fuse Always Connected In The Live Wire Of The Circuit?

A fuse is always connected to the live wire to break the circuit preventing the connected devices from damage. A fuse is a circuit element made... View Article

In The Visible Region, The Dispersive Powers And The Mean Angular Deviations For Crown Glass And Flint Glass Prism Are Omega, Omega1 And D, D1 Respectively. The Condition For Getting Dispersion With Zero Deviation When The Two Prisms Are Combined Is

Given: Dispersive power - ω, ω' Mean deviation - d, d' Dispersive power, ⇒ Angular dispersion = Dispersive power * mean deviation ⇒ ω d +... View Article

What Is The Value Of 1% Of 1% Of 25% Of 1000?

Sol: The value of 1% of 1% of 25% of 1000 is ⇒ 1% of 1% of ⇒ 1% of 1% of 250 ⇒ 1% of ⇒ 1% of 2.5 ⇒ ⇒ 0.025 Therefore, the value of... View Article

A Ball Of Radius R Carries A Positive Charge Whose Volume Density Depends Only On A Separation R From The Ball’s Centre As Ρ=Ρ 0(1−r/R), Where Ρ0 Is A Constant. Assuming The Permittivities Of The Ball And The Environment To Be Equal To Unity, Find The Following:

Sol: (A) The Magnitude Of The Electric Field Strength As A Function Of The Distance R Both Inside And Outside The Ball. Let us assume: The ball... View Article

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