CBSE > Class 06 > Science (OLD) | CBSE Board | Homework Help

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0Thank You

Pinky . 11 months, 4 weeks ago

How many vitamins do have

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ANSWER

Explain pendulum working please now

Posted by Anvesha Shukla 11 months, 4 weeks ago

CBSE > Class 06 > Science (OLD)

2 answers

Harsh Meena 10 months, 4 weeks ago

A pendulum is a simple mechanical device that consists of a weight (known as the pendulum bob) attached to the end of a string or rod. When a pendulum is set in motion, it exhibits a back-and-forth swinging motion. This motion is governed by the principles of physics, specifically related to the force of gravity and the conservation of energy. Here's how a pendulum works: 1. **Gravity**: The primary force at play in a pendulum is gravity. When the pendulum bob is lifted and released, gravity pulls it downward. 2. **Potential Energy**: As the pendulum bob is lifted, it gains potential energy due to its height above the lowest point it can reach. This potential energy is converted into kinetic energy as the bob is released. 3. **Swinging Motion**: The release of the pendulum bob allows it to start swinging back and forth. The energy is constantly converted between potential energy (at the highest point of the swing) and kinetic energy (at the lowest point of the swing). 4. **Period**: The time it takes for the pendulum to complete one full swing, from one extreme position to the other and back again, is known as the "period." The period of a pendulum depends on its length and the acceleration due to gravity but is largely independent of the initial angle from which it is released. 5. **Regular Motion**: If the pendulum is not subjected to significant air resistance or friction, its motion remains regular and predictable. This is why pendulums are often used in timekeeping devices like grandfather clocks. 6. **Damping**: In real-world situations, pendulum motion is often affected by air resistance and friction, which can gradually slow down the swinging. This is referred to as damping, and it causes the pendulum's motion to eventually stop. Pendulums have been used historically for timekeeping in clocks and are also found in various scientific instruments and applications due to their consistent and predictable motion. The period of a pendulum can be calculated using the formula: T = 2π √(L / g) Where: - T is the period of the pendulum. - L is the length of the pendulum. - g is the acceleration due to gravity. This formula illustrates the relationship between the period, length of the pendulum, and gravity's influence on its motion.

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Tanvee Choudhary 11 months, 4 weeks ago

Time is measured by making use of the time taken by its pendulum to complete one oscillation

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The chemical used for testing the presence of sugar in food

Posted by Tanvee Choudhary 1 year ago

CBSE > Class 06 > Science (OLD)

5 answers

Harsh Meena 10 months, 4 weeks ago

The chemical commonly used for testing the presence of sugar in food is Benedict's solution. Benedict's solution is a blue liquid that contains copper sulfate and other compounds. When heated in the presence of reducing sugars, such as glucose or fructose, it changes color from blue to green, yellow, orange, or even red, depending on the concentration of sugar present. This color change serves as an indicator of the presence of reducing sugars in a food sample and is often used in laboratory tests to detect the presence of sugar in various food products.

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Aaradhya Baghla 11 months, 2 weeks ago

Iodine solution

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Rohini Rathod 11 months, 2 weeks ago

Iodine solution

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Darsh Gupta 11 months, 4 weeks ago

Iodine solution

4Thank You

Shreyasi Jaiswal 1 year ago

Benedict's solution

4Thank You

ANSWER

Two muscles work together to move a bone-how

Posted by Nithin Gowda. S 1 year ago

CBSE > Class 06 > Science (OLD)

1 answers

Bikramjeet Bajwa 11 months, 3 weeks ago

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Does Margin gives shape to the roo

Posted by Aryaveer Ahuja 1 year ago

CBSE > Class 06 > Science (OLD)

1 answers

Anjali Nath 11 months, 3 weeks ago

Noooooooo

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How will you separate sand and salt from their mixture

Posted by Jayanta Kumbhar 1 year ago

CBSE > Class 06 > Science (OLD)

5 answers

Priyanshi Patidar 11 months, 3 weeks ago

Through the process of evaporation.

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Bikramjeet Bajwa 11 months, 3 weeks ago

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0Thank You

Tanvee Choudhary 1 year ago

Sedimentation

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Aditya Yadav 1 year ago

By process of sedimentation and decantation

1Thank You

Abhineet Kumar 1 year ago

By the process of sedimentation

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ANSWER

differentiate between hinge and pivot joint

Posted by Devyansh Gupta 1 year ago

CBSE > Class 06 > Science (OLD)

1 answers

Abhineet Kumar 1 year ago

What is winnowing

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ANSWER

Difference between sedimentation and decantation

Posted by Aakanksha Aakanksha 1 year ago

CBSE > Class 06 > Science (OLD)

2 answers

Pawan Yadav 1 year ago

1Thank You

Monu Sahu 1 year ago

Monu

1Thank You

ANSWER

that time no cement is there how Taj Mahal was created

Posted by Ayan Bagayat 1 year ago

CBSE > Class 06 > Science (OLD)

2 answers

Aakanksha Aakanksha 1 year ago

Difference between sedimentation and decantation

1Thank You

20 Divya Khaparde 6C 1 year ago

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Drawing of ribcage

Posted by Kartik Thakur 1 year ago

CBSE > Class 06 > Science (OLD)

0 answers

ANSWER

What is measurent

Posted by Ananya Mandlik 1 year ago

CBSE > Class 06 > Science (OLD)

2 answers

Tanvee Choudhary 11 months, 4 weeks ago

a collection of quantitative or numerical data that describes a property of an object or event

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Poornima Sweety 1 year ago

Measurement is a measure of things

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Why the process of rusting is more usual in coastal areas?

Posted by Pranesh Singh 1 year ago

CBSE > Class 06 > Science (OLD)

2 answers

Neelu Pathak 1 year ago

Leaves of the plant which type root system show reticute venation

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Shreyal Bhati 1 year ago

Don't post personal information, mobile numbers and other details.
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ANSWER

Neck bends

Posted by Charanjith Jay N.A. 1 year ago

CBSE > Class 06 > Science (OLD)

1 answers

Topper_B0¥§ .... 1 year ago

It's a pivot joint

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Neck rotates completely

Posted by Charanjith Jay N.A. 1 year ago

CBSE > Class 06 > Science (OLD)

4 answers

Charanjith Jay N.A. 11 months, 3 weeks ago

No, do not rotate completely

0Thank You

Tanvee Choudhary 1 year ago

Because of pivot joint

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Pranesh Singh 1 year ago

Because pivot joint allows movement in all directions

2Thank You

Pranesh Singh 1 year ago

360

2Thank You

ANSWER

Write any tow common characteristics of living beings

Posted by Shruti Singh 1 year ago

CBSE > Class 06 > Science (OLD)

5 answers

Topper_B0¥§ .... 1 year ago

Made up of cells Reproduction

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Deepika Dalvi 1 year ago

Human and animals

2Thank You

Pranesh Singh 1 year ago

Living beings grow. Loving beings reproduce

2Thank You

Kavya Prajapat 1 year ago

Movements Reproduction

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Vishwa Vishwa 1 year ago

Property

2Thank You

ANSWER

What we lean in ch , 5 body movements

Posted by Vaishnavi Lodhi 1 year ago

CBSE > Class 06 > Science (OLD)

1 answers

Aarna Gusain 1 year ago

Movement is the change in the position of a body part with respect to the whole body. It is one of the significant features of all living beings. The blinking of the eyes, breathing, eating are all examples of movement.

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ANSWER

What type of joints in our body

Posted by Vaishnavi Lodhi 1 year ago

CBSE > Class 06 > Science (OLD)

2 answers

Md Sameer Ahmad 1 year ago

Name main joints boda

1Thank You

Vaishnavi Lodhi 1 year ago

4 types of joints in joint in our body

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ANSWER

Why we don't move our elbow in backward

Posted by Dibya Prakash 1 year ago

CBSE > Class 06 > Science (OLD)

2 answers

Aarna Gusain 1 year ago

Due to hinge joint

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Mriganco Das 1 year ago

We cannot move our elbow backward because elbow joint is a hinge joint. Hinge joints are joints like door hinges where only back and forth movement is possible.

2Thank You

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How many muscles work together to move a bone

Posted by Yashvi . 1 year ago

CBSE > Class 06 > Science (OLD)

2 answers

Topper_B0¥§ .... 1 year ago

0Thank You

Mriganco Das 1 year ago

two muscles.

1Thank You

ANSWER

What are veins

Posted by Kirtt Mehuriya 1 year ago

CBSE > Class 06 > Science (OLD)

2 answers

Kani Shanmi 11 months, 1 week ago

Side of the midrup

1Thank You

Priyansu Kumar Sahoo 1 year ago

A line in the leaf is called veins

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ANSWER

Write down 3 differences between Transparent, translucent and Opaque Objects?

Posted by Alka Devi 1 year ago

CBSE > Class 06 > Science (OLD)

3 answers

Alka Devi 11 months, 1 week ago

Common factor of 12 and 30 is?

1Thank You

Yashvi . 1 year ago

Main difference is in transparent we can seen clearly in translucent we can ce but not clearly in opaque we can't seen anything

2Thank You

Ishaan Sha 1 year ago

Transeprant obeject allow light to pass through them easily ex water glass translucent object alow allow light to pass through them particle X frustrate glass paper Opaque observed do not allow light to pass through them etc would iron soul etc

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ANSWER

Of chapter 2

Posted by Lipsi Agarwal 1 year ago

CBSE > Class 06 > Science (OLD)