Simplify -8/9 × 16/-7
Given -8/9 × 16/-7 = -8/9 × -16/7 = 8/9 × 16/7 = 8 X 16/ 9 X 7 =128/63... View Article
Latest Posts
The sum of 3 numbers in AP is 18. If the product of first and third number is 5 times the common difference, find the numbers.
Answer: A sequence of numbers that has a common difference between any two consecutive numbers is called an arithmetic progression... View Article
Assertion:At high temperature metal wire have a grater chance of short circuiting Reason:both resistance and resistivity vary with temperature. Is reason correct explanation of assertion
Resistance and the resistivity depends upon the thermal factor that is temperature and the nature of the material used. The... View Article
A phonograph turn table rotates at 50 rev/ min . Its angular speed in rad/sec is ? a) 8.164 rad.sec-1 b) 5.23 rad.sec-1 c) 52.3 rad.sec-1 d) 81.64 rad.sec-1
Given that A phonograph turntable rotates at 50 rev/ min. We need to find the angular speed of the phonograph... View Article
What is lymphatic system ?
The lymphatic system is part of the immune system. It also maintains fluid balance and plays a role in absorbing... View Article
Difference between moment of force and torque
Torque Momentum The measurement of the turning force of an object is called torque The measurement of the perpendicular distance... View Article
he curved surface area of a cylindrical pillar is 264m^2 and its volume is 924^3. Find the diameter and height of the pillar .
Given that: Curved surface area of cylinder = 264 m² volume of cylinder = 924 m³ We know that CSA... View Article
Solve: 2/5 × (-3/7) -(1/4) -(3/7) × 3/5
Answer: Given equation \(\begin{array}{l}\frac{2}{5}\times \frac{-3}{7}\times \frac{-1}{4}\times \frac{-3}{7}\times \frac{3}{5}\end{array} \) ⇒ \(\begin{array}{l}\frac{-6}{35}-\frac{1}{4} – \frac{9}{35}\end{array} \) ⇒ \(\begin{array}{l}\frac{-12-5-18}{70}\end{array} \) ⇒ \(\begin{array}{l}\frac{-35}{70}\end{array} \)... View Article
What is organic semiconductor ? Explain with an example.
The solids are made up of pi bonded molecules or the polymers that are made up of hydrocarbons and heteroatoms... View Article
Which of the following is a ohmic conductor (a) transistor (b) vacuum tube (c) electrolyte (d) nichrome wire
Answer: (d) Nichrome wire An ohmic conductor is defined as a two-terminal device in which the voltage or current characteristics... View Article
Find the perimeter of an isosceles right angled triangle having an area of 5000 metre square.
Given that A right-angle isosceles triangle of area 5000m2 We need to find the perimeter of the given isosceles triangle... View Article
Why our blood don’t get rusted even if it contains iron and oxygen?
Our blood doesn’t get rusted even if it contains iron and oxygen because rust is formed when ferric oxide Fe2O3... View Article
1) How mass of object on Earth is six times mass on moon? 2) How to calculate mass of object if weight given is of on the moon?
1) The mass of the moon is 1/100 times and its radius 1/4 times that of earth. As a result,... View Article
Factorise 64/125a^3-96/25a^2+48/5a-8
Given equation (64/125)a³ – 8 – (96/25)a² + (48/5)a We will simply and write in the cube format= (4/5)³a³ –... View Article
Give the appilications of hydrogen bond in organic molecules
A type of weak force that results in the formation of dipole-dipole interaction between a hydrogen atom and an electronegative... View Article
What happens when A ray of parallel to the principal axis passes through a concave lens
When the parallel rays of light pass through a concave lens to the principal axis, it deviates from its focal... View Article
what is the origin of our universe with out big bang?
The fundamentals of astrophysics lays on the famous theory called Big Bang theory. The origin of the universe lies in... View Article
What are the advantages of classificaton organisms
There are different forms of organisms on earth, from minute bacteria to large elephants. It was very difficult to study... View Article
How does amoeba captures it’s food?
Amoeba takes in food using temporary finger-like extensions of the cell surface which fuse over the food particle forming a... View Article
Write a short note on momentum
Momentum is the product of mass and velocity mathematically. It is the quantity of measure of the mass of the... View Article
