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Why most of the Himalayan rivers are perennial ?
The correct answer is: (d) Both (a) and (b) Explanation: Himalayan rivers are perennial, meaning they flow throughout the year. This is because they receive water from two major sources: (a) Rainfall – During the monsoon season, heavy rainfall contributes significantly to the flow of these rivers. (Read more
The correct answer is: (d) Both (a) and (b)
Explanation: Himalayan rivers are perennial, meaning they flow throughout the year. This is because they receive water from two major sources:
(a) Rainfall – During the monsoon season, heavy rainfall contributes significantly to the flow of these rivers.
(b) Melted snow from mountains – The Himalayas are covered with glaciers, which melt gradually and provide a continuous supply of water, even during dry seasons. This question related to Chapter 3 Social Science Class 9th NCERT. From the Chapter 3 Drainage. Give answer according to your understanding.
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The total energy of a simple harmonic oscillator remains
In Simple Harmonic Motion (SHM), the total energy (E) is the sum of kinetic energy (KE) and potential energy (PE): E = KE + PE = (1/2) k A² where: - k is the force constant, - A is the amplitude. Since there is no external force or damping, the total energy remains constant throughout the motion, alRead more
In Simple Harmonic Motion (SHM), the total energy (E) is the sum of kinetic energy (KE) and potential energy (PE):
E = KE + PE = (1/2) k A²
where:
– k is the force constant,
– A is the amplitude.
Since there is no external force or damping, the total energy remains constant throughout the motion, although it continuously transforms between kinetic and potential energy.
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The time period of a simple pendulum of length l is given by
It is correctly expressed as, T = 2π √(l/g). The time period (T) of a simple pendulum of length l is expressed by the formula given below: T = 2π √(l/g) where, - l is the length of the pendulum, - g is the acceleration due to gravity. This equation implies that the time period varies as the square rRead more
It is correctly expressed as, T = 2π √(l/g).
The time period (T) of a simple pendulum of length l is expressed by the formula given below:
T = 2π √(l/g)
where,
– l is the length of the pendulum,
– g is the acceleration due to gravity.
This equation implies that the time period varies as the square root of the length and is inversely proportional to the square root of gravity.
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Which among the following is/are necessary to solve the food problem of the country?
(d) All the statements are correct. https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-12/
(d) All the statements are correct.
https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-12/
See lessAccording to relief features, which of the following is not a division of northern plains.
The correct answer is: (d) Desert Explanation: The Northern Plains of India are divided into four major relief features based on the deposition of alluvial soil by rivers: Bhabar – A narrow belt of pebbles along the foothills of the Himalayas. Khadar – The newer, fertile alluvial soil deposited by rRead more
The correct answer is: (d) Desert
Explanation: The Northern Plains of India are divided into four major relief features based on the deposition of alluvial soil by rivers: Bhabar – A narrow belt of pebbles along the foothills of the Himalayas. Khadar – The newer, fertile alluvial soil deposited by rivers, suitable for agriculture. Bhangar – The older alluvial soil, less fertile and found above the floodplains. Terai – A wet, swampy region south of the Bhabar belt. This question related to Chapter 2 Social Science Class 9th NCERT. From the Chapter 2 Physical Features of India. Give answer according to your understanding.
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