Ask questions which are clear, concise and easy to understand.
Ask QuestionPosted by Vikram Kumar 5 years ago
- 2 answers
Yogita Ingle 5 years ago
In short, the Big Bang hypothesis states that all of the current and past matter in the Universe came into existence at the same time, roughly 13.8 billion years ago. At this time, all matter was compacted into a very small ball with infinite density and intense heat called a Singularity. Suddenly, the Singularity began expanding, and the universe as we know it began.
Posted by Raza Faizi 5 years ago
- 4 answers
Harsh Mishra 4 years, 11 months ago
Posted by Pradakshina ?? 5 years ago
- 2 answers
Harsh Mishra 4 years, 11 months ago
Yogita Ingle 5 years ago
Andreas Vesalius was a Belgian born anatomist and a physician. Vesalius published his most important work, 'De Humani Corporis Fabrica Libri Septem' (seven books on the fabric of human body), generally known as Fabrica. Fabrica is the most famous anatomy book ever written and also the first book on human anatomy to be reasonably accurate. He is thus known as the father of anatomy.
Posted by Leishithem Awungshi 5 years ago
- 1 answers
Yogita Ingle 5 years ago
- The per capita income in an underdeveloped economy is low,and therefore,majorityof the population live below the poverty line. Consequently, people in this economy live in miserable conditions.
- In mostunderdeveloped economies, the population growth rate is very high as compared to the other economies. Also, because of improved medical facilities, the mortality rate among all the sections of societyis reduced. As a result, as the population increases, the consumption of the limited resources also increases, resulting in less saving of resources and a slower growth rate.
- For many under developed economies enriched with large and sufficient resources,most of these resources remain underutilised because oflack of skilled personnel and technology.
- Underdeveloped economies suffer from widespread unemployment. Because of various reasons,such as rapid population growth and lack of investment, unemployment prevails in such an economy. It is estimated that underemployment and unemployment together constitute nearly30% of the workforce of an underdeveloped economy.
- Inequality in the distribution of income is prevalent in these economies. As a large part of the national income goes to smaller sections of society, the larger sections of society have to be satisfied with whatever part of income is available to them. According to the Human Development Index, the top 20% of India’s population receives 45.3% of the national income,while the poorest 20% of the population receives 8.1% of the national income.
Posted by Nikhil Saini 5 years ago
- 0 answers
Posted by Srikant Khuntia 5 years ago
- 1 answers
Yogita Ingle 5 years ago
Newton’s laws of motion imply the relationship between an object’s motion and the forces acting on it. In the first law, we come to understand that an object will not change its motion unless a force acts on it. The second law states that the force on an object is equal to its mass times its acceleration. And, finally, the third law states that for every action, there is an equal and opposite reaction.
What are some daily life examples of Newton’s 1st, 2nd and 3rd laws of motion?
Riding a bicycle is a good example of Newton’s 2nd law. In this example, the bicycle is the mass. The leg muscles pushing on the pedals of the bicycle is the force.
- The motion of a ball falling through the atmosphere, or a model rocket being launched up into the atmosphere are both excellent examples of Newton’s 1st law.
- You hit a wall with a certain amount of force, and the wall returns that same amount of force. This is an example of Newton’s 3rd law.
Posted by Himanshi Goyal 5 years ago
- 1 answers
Lavish Tyagi 4 years, 10 months ago
Posted by Aman Kumar 5 years ago
- 0 answers
Posted by Khan Khan 5 years ago
- 3 answers
Nishant Sharma 4 years, 5 months ago
Yogita Ingle 5 years ago
- Velocity: Velocity is the speed of an object moving in a definite direction.
- The SI unit of velocity is also metre per second.
- Velocity is a vector quantity; it has both magnitude and direction.
Posted by Kanchan Jadhav 5 years ago
- 3 answers
Yogita Ingle 5 years ago
Mitosis is that step in the cell cycle where the newly formed DNA is separated and two new cells are formed with the same number and kind of chromosomes as the parent nucleus.
Posted by Tanu Kamble 5 years ago
- 2 answers
Shivam Yadav 5 years ago
Gaurav Seth 5 years ago
Consider a parallel plate capacitor without any dielectric medium (vacuum) between the plates. Let A be the area of the plates and d be the plate separation. The two plates have charges Q and – Q. Since d is much smaller than the linear dimension of the plates (d2 << A),
Plate 1 has surface charge density σ = Q/A and plate 2 has a surface charge density – σ. Using earlier result of the electric field in different regions is: Outer region I (region above the plate 1),
Outer region II (region below the plate 2),
In the inner region between the plates 1 and 2, the electric fields due to the two charged plates add up, giving
The direction of electric field is from the positive to the negative plate. Thus, the electric field is localised between the two plates and is uniform throughout. For plates with finite area, this will not be true near the outer boundaries of the plates. The field lines bend outward at the edges – an effect called ‘fringing of the field’. Hence σ will not be strictly uniform on the entire plate.
However, for d2 << A, these effects can be ignored in the regions sufficiently far from the edges, and the field there is given by Eq. (1). Now for uniform electric field, potential difference is simply the electric field times the distance between the plates, that is,
The capacitance C of the parallel plate capacitor is then
which, as expected, depends only on the geometry of the system.
Posted by Pradakshina ?? 5 years ago
- 4 answers
Ranjeet Katariya 4 years, 6 months ago
Yogita Ingle 5 years ago
Carolus Linnaeus is the father of taxonomy because of one of his contributions.
Posted by Ahsu Ahsu 5 years ago
- 1 answers
Posted by Vikram Kumar 5 years, 1 month ago
- 3 answers
Yogita Ingle 5 years, 1 month ago
1 score =20 years
Let the age be x.
Then, x+ 1/2x+3x3=4x20+7
⇒3/2x+9=80+7
⇒3/2 x=78
⇒x=78×2/3
⇒x=52
Therefore, the age is 52 years.
Posted by Ajay Kumar 5 years, 1 month ago
- 0 answers
Posted by Ajay Kumar 5 years, 1 month ago
- 0 answers
Posted by Krishna Kumar 5 years, 1 month ago
- 2 answers
Posted by Daleshwar Sahu 5 years, 1 month ago
- 0 answers
Posted by Vikram Kumar 5 years, 1 month ago
- 2 answers
Gaurav Seth 5 years, 1 month ago
The Changing of a solid directly into vapours on heating,and of vapours into solid on cooling is called as sublimation.
The solid substance which undergoes sublimation is called sublime.
The solid obtained by cooling the vapours of the solid called a sublimate.
For Ex:camphor,Iodine,Ammonium Chloride,Naphthalene etc.
Posted by Gulshan Kumar 5 years, 1 month ago
- 4 answers
Ziya Rehaman 4 years, 10 months ago
Paritosh Dansena 5 years, 1 month ago
Gaurav Seth 5 years, 1 month ago
Dimensions of a physical quantity are powers (exponents) to which base quantities are raised to represent that quantity. They are represented by square brackets around the quantity.
- Dimensions of the 7 base quantities are – Length [L], Mass [M], time [T], electric current [A], thermodynamic temperature [K], luminous intensity [cd] and amount of substance [mol].
Force = Mass x Acceleration = [M][L]/[T]2 = [MLT-2]
Posted by Gulshan Kumar 5 years, 1 month ago
- 2 answers
Gaurav Seth 5 years, 1 month ago
Aristotle is known as the “Father of Biology” because he extensively studied the natural world and contemplated its origins using scientific insights and systematic observations rather than attributing it to divine intervention. He was also the first to uncover the relationship between animals and establish a system of classification.
During his time, Aristotle made many observations about the local flora and fauna, for instance, he was the first to document that an octopus can change its colour when disturbed. He also named close to 500 species of animals, identifying their characteristic features and documenting them.
Posted by Rahul Albert 5 years, 1 month ago
- 0 answers
Posted by Suraj Suraj 2 years, 4 months ago
- 4 answers
Gaurav Seth 5 years, 1 month ago
The poet wants us to run- (i) away from the city, (ii) into the sun, (iii) towards the country, (iv) in the raindrops, (v) underneath the trees, (vi) down the hillside, (vii) through the meadow.
Posted by Sakshi Sanas 5 years, 1 month ago
- 1 answers
Posted by Gangadhar Sahu 5 years, 1 month ago
- 1 answers
Sia ? 4 years, 6 months ago
Yes, the term “unity in diversity” is definitely an appropriate term to describe India. India is a land where people from different religions, cultures, creed and castes live together in complete harmony. They celebrate different festivals together and the joys and sorrows of each other. This kind of diversity adds charm to our lives and helps us live together peacefully.
Jawaharlal Nehru in his book 'The Discovery of India' is trying to say that tolerance is very much ingrained in all citizens. India is not only united, but its people also know how to accept the customs and beliefs of others.
Posted by Sakshi Bharti Sakshi 5 years, 1 month ago
- 3 answers
Gangadhar Sahu 5 years, 1 month ago
Posted by Sakshi Bharti Sakshi 5 years, 1 month ago
- 1 answers
Posted by Ziya Ilyas Ziya Ilyas 5 years, 1 month ago
- 0 answers
Posted by Charan Dube 5 years, 1 month ago
- 4 answers
Divyanshi Pancholi 4 years, 10 months ago
Himanshu Kumar 5 years ago
myCBSEguide
Trusted by 1 Crore+ Students
Test Generator
Create papers online. It's FREE.
CUET Mock Tests
75,000+ questions to practice only on myCBSEguide app
Prakhar Singh 2 years, 9 months ago
3Thank You