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Difference between DROP and TRUNCATE in SQL

In SQL, the DROP command is used to remove the whole database or table indexes, data, and more. Whereas the TRUNCATE command is used to remove... View Article

Derive An Expression For Magnetic Field Strength At Any Point On The Axis Of A Circular Current Carrying Loop Using Biot-savart Law.

Sol: Biot-Savart's law: Magnetic field at an axial point P due to a current element of the ring Where r = Therefore, B = We resolve dB... View Article

Which Of The Following Diseases Is Caused By A Virus? (A) Polio. (B) Typhoid. (C) Malaria .(D) Tuberculosis.

The correct answer is (A) Polio. Polio or Poliomyelitis is an infectious disease caused by the poliovirus. Typhoid is a bacterial infection... View Article

What Are The Advantages And Limitations Of Solar Energy?

Advantages Of Solar Energy: It requires lesser maintenance. It is a renewable source of energy. Solar energy does not cause pollution. With... View Article

Permanent Change Is (A) Chemical Change. (B) Physical Change. (C) Both (A) And (B). (D) None Of These.

The correct answer is (A) Chemical change. A change in which a new substance is formed is called permanent change. A permanent change is... View Article

Trysem Includes The Youth Of_______. (A) 15−25 Age Group. (B) 18−35 Age Group. (C) 20−25 Age Group. (D) 30−35 Age Group.

The correct answer is (B) 18−35 age group. TRYSEM is a scheme where students between the age group of 18-35 years are trained by providing... View Article

How Plants Absorb Water From The Soil?

Roots are the primary structures through which plants absorb their much-required water from the soil. Root hair found on roots causes an increase... View Article

Which Of The Following Is Mathematical Average? (A) Harmonic Mean. (B) Geometric Mean. (C) Arithmetic Mean. (D) All Of The These.

The correct answer is (D) All Of The These. A mathematical average is an average where a figure is taken out through mathematical methods from... View Article

Which Of The Following Is The Most Effective Contribution Made By Dadabhai Naoroji To The Cause Of The Indian National Movement? (A) Exposed The Economic Exploitation Of Indians By The British. (B) Brought The Problems Of Indians To The Notice Of The British. (C) Stressed The Need Of Eradication Of All Social Evils Before Anything Else. (D) Interpreted The Ancient Indian Texts And Restored The Self-confidence Of Indians.

The correct answer is (A) Exposed The Economic Exploitation Of Indians By The British. Dadabhai Naoroji, known as the Grand Old Man of India,... View Article

What Is The Primary And Secondary Valence Of PtCl2. 2NH3?

PtCl2. 2NH3 does not have any primary valency and has 4 secondary valencies. Primary valency is the number of ions required to satisfy the... View Article

The Upward Conduction Of Water From Roots Is Carried Out By(A) Bark. (B) Xylem. (C) Phloem. (D) Cambium

The correct answer is (B) Xylem. Xylem transports water in one direction. It transports water only in an upward direction. Water rises from... View Article

The Radcliffe Line Was Drawn Between And .(A)Pakistan, Nepal. (B)Pakistan, India. (C)Pakistan, China. (D)India, Myanmar (Burma).

The correct answer is (B)Pakistan, India. Radcliffe Line was the boundary demarcation line between the Indian and Pakistani portions of the... View Article

In The Given Question Select The Related Number From The Given Alternatives 83: 9:: 146:______/.

Sol: 81 + 2 = 83 Similarly; 144 + 2 = 146 Therefore, 146 is related to 12 The answer is 83 : 9 :: 146 : 12 Explore more such... View Article

What is the standard enthalpy of formation of NH3 gas?

The given chemical equation is When one mole of ammonia is formed from its elements, the enthalpy change is the enthalpy of formation. It is... View Article

Find The Next Number In The Given Sequence: 17, 21, 37, 73, 137, 237, …

As per the above-given number sequence: 17, 21, 37, 73, 137, 237, ...the next number is 381. By adding (2)2, (4)2, (6)2, (8)2, (10)2, (12)2,... View Article

Describe The Main Features Of Mendeleev’s Periodic Table

Dmitri Mendeleev is often referred to as the Father of the Periodic Table. The main features of Mendeleev’s periodic table are: In... View Article

Equation(s) or the straight line(s), inclined at 30 to the x−axis such that the length of its (each of their) line segment(s) between the coordinate axes is 10 units is/are

Let the equation be y = (1 / √3) x + c the line cut the axes at A (- √3c, 0) and B (0, c).... View Article

What are the last two digits of 7²⁰⁰⁸?

The given expression is 72008. In the above pattern, the last two digits are repeating.For every power of the form 4n, the last two digits are... View Article

Find the mode of the data: 27, 23, 39, 18, 27, 21, 27, 27, 40, 36, 27.

Arranging the given numbers in ascending order: 18, 21, 23, 27, 27, 27, 27, 27, 36, 39, 40.27 occurs a maximum number of times. The mode of the... View Article

In winter, the temperatures at a hill station from Monday to Friday are in A.P. The sum of the temperatures from Monday to Wednesday is 0, while the sum of the temperatures on Thursday and Friday is 15. Find the temperatures on each of the weekdays.

Let the temperatures of hill station from Monday to Friday which form are A.P. be a - 2d, a - d, a, a + d, a + 2d respectively.... View Article