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A strong magnetic field is applied to a stationary electron. Then the electron remains ____________

A strong magnetic field is applied to a stationary electron. Then the electron remains stationary The magnetic force on a moving charge is... View Article

Computer is free from tiresome and boardroom.We call it_______________.

Computer is free from tiresome and boardroom.We call it Deligance. Deligance is one of the characteristics of computer. Deligance : A... View Article

The absolute zero temperature in Fahrenheit scale is

The absolute zero temperature in the Fahrenheit scale is -460ºF Temperature is a measure of the average kinetic energy of the... View Article

If A is a square matrix such that A²=I, then (A – I) ³+(A+I)³ – 7A is equal to

If A is a square matrix such that A2=I, then (A−I) 3+(A+I)3−7A is equal to A Given that A2=I... View Article

243 is the cube root of _________

Cube root of a number can be found by a very simple method which is the prime factorization method. Cube root is denoted by ‘∛ ‘... View Article

The number of octahedral voids in hexagonal primitive unit cell are_______

Effective number of anions 'A' in HCP=(12 x 1/6) +(2 x 1/2)+(3 x 1) =(2) + (1) + (3) =6Effective number of octahedral voids = 6 A voids is... View Article

In solid state PCl₅ is a

In solid-state PCl5 is an Ionic solid with [PCl6]+ octahedral and [PCl4]− tetrahedral Phosphorus pentachloride is a pale... View Article

Find the factors of 288

The factors of 288 are the numbers that divide 288 exactly without leaving any remainder. In other words, the factors of 288 are the numbers that... View Article

At what time between 4 and 5 o’clock will the hands of a watch point in opposite directions?

A clock has three hooks and all three move at different rates. The speed of moving object depends on the distance travelled and the time taken to... View Article

Explain u/v rule of differentiation

If f(x) is a function, which is equal to ratio of two functions u(x) and v(x) such that; f(x) = u(x)/v(x) Then, as per the quotient rule, the... View Article

Animal husbandry and plant breeding programmes are the examples of_______

Animal husbandry and plant breeding programmes are the examples of artificial selection Artificial selection is a process in... View Article

The pairing of homologous chromosomes takes place in ____________ phase.

The pairing of homologous chromosomes takes place in Prophase I Mitosis is that step in the cell cycle where the newly formed DNA is... View Article

Convert ethanamine to methanamine

The structure of ethanamine is CH3CH2NH2. To convert ethanamine into methanamine we will follow the steps given belowStep 1: At first... View Article

The HCF of 95 and 152 is

The Highest Common Factor (HCF) of two or more numbers is the greatest of all their common factors. Therefore, it is also called the greatest... View Article

The reflex angle between the hands of the clock at 10:25 is

Solution A reflex angle is an angle that measures more than 180 degrees and less than 360 degrees. On observing the clock we note that the... View Article

A water fountain on the ground sprinkles water all around it. If the speed of water coming out of the fountain is v, the total area around the fountain that gets wet is

The de-broglie wavelength of an electron is given by the equation λ=1.227/ √v nmOn substituting the wavelength value in the... View Article

An electron is accelerated from rest through a potential difference of V volt. If the de Broglie wavelength of the electron is 1.227×10^{– 2}nm, the potential difference is