1. If everyone measures the table length using the same meter scale and follows proper reading techniques, the results should be the same. Variations in results typically occur due to different scales, measurement errors, or parallax effects. A standard meter scale, if used correctly and consistently,Read more

    If everyone measures the table length using the same meter scale and follows proper reading techniques, the results should be the same. Variations in results typically occur due to different scales, measurement errors, or parallax effects. A standard meter scale, if used correctly and consistently, minimizes discrepancies and ensures uniformity in measurements. Accurate readings depend on proper technique and using the same calibrated scale, reducing errors that can arise from different measuring tools or methods.

    For more CBSE Class 6 Science Curiosity Chapter 5 Measurement of Length and Motion Extra Questions & Answer:

    https://www.tiwariacademy.com/ncert-solutions-class-6-science-curiosity-chapter-5/

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  2. Tape measures and rods are similar to the scale in a geometry box as they all measure length. However, tapes are flexible and rods are rigid, suited for various uses. The term "char angula" means "four fingers" in traditional measurement systems, roughly equivalent to 7-10 centimeters. This unit wasRead more

    Tape measures and rods are similar to the scale in a geometry box as they all measure length. However, tapes are flexible and rods are rigid, suited for various uses. The term “char angula” means “four fingers” in traditional measurement systems, roughly equivalent to 7-10 centimeters. This unit was used in historical contexts to estimate lengths based on the width of four fingers. It highlights how measurement systems have evolved from body-based units to standardized ones.

    For more CBSE Class 6 Science Curiosity Chapter 5 Measurement of Length and Motion Extra Questions & Answer:

    https://www.tiwariacademy.com/ncert-solutions-class-6-science-curiosity-chapter-5/

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  3. The meter is well-suited for measuring larger lengths, such as the length of a railway track between cities, due to its scale. However, for measuring smaller lengths, like the thickness of a book page, meters are less practical. For small measurements, units like millimeters or even micrometers offeRead more

    The meter is well-suited for measuring larger lengths, such as the length of a railway track between cities, due to its scale. However, for measuring smaller lengths, like the thickness of a book page, meters are less practical. For small measurements, units like millimeters or even micrometers offer greater precision and are easier to read. Using appropriate units based on the measurement size ensures accuracy and convenience in recording and interpreting data.

    For more CBSE Class 6 Science Curiosity Chapter 5 Measurement of Length and Motion Extra Questions & Answer:

    https://www.tiwariacademy.com/ncert-solutions-class-6-science-curiosity-chapter-5/

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  4. We don't observe the Earth moving towards an apple when it falls primarily due to the significant disparity in mass between the Earth and the apple, combined with the gravitational acceleration experienced on Earth's surface. The Earth, with a mass of approximately 5.97 x 10 power 24 kilograms, exerRead more

    We don’t observe the Earth moving towards an apple when it falls primarily due to the significant disparity in mass between the Earth and the apple, combined with the gravitational acceleration experienced on Earth’s surface.

    The Earth, with a mass of approximately 5.97 x 10 power 24 kilograms, exerts a gravitational force on the apple, which has a much smaller mass, typically around 0.1 kilograms. According to Newton’s law of universal gravitation, every mass attracts every other mass in the universe with a force that depends on the masses of the objects and the distance between them. However, the magnitude of this force is proportional to the product of the masses and inversely proportional to the square of the distance between them.

    When an apple falls towards the Earth, it accelerates due to the Earth’s gravitational field, which on the Earth’s surface is approximately 9.81 meters per second squared 9.81 m/second square. This acceleration is directed towards the center of the Earth. The force exerted by the Earth on the apple causes it to accelerate downward, while the Earth’s acceleration towards the apple is so minuscule that it is effectively negligible and imperceptible.

    In practical terms, the Earth’s mass is so vast compared to the apple that the resulting acceleration of the Earth towards the apple is far too small to observe or measure directly. Therefore, from our perspective on Earth’s surface, we simply observe the apple falling due to the Earth’s gravitational pull, without noticing any movement of the Earth towards the apple. This concept underscores the importance of considering relative masses and forces in gravitational interactions between objects.

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  5. Supersonic aircraft are designed to travel at speeds that exceed the speed of sound, which is approximately 343 meters per second (1,235 kilometers per hour or 767 miles per hour) at sea level. The speed of sound, also known as Mach 1, can vary with altitude and atmospheric conditions. When an aircrRead more

    Supersonic aircraft are designed to travel at speeds that exceed the speed of sound, which is approximately 343 meters per second (1,235 kilometers per hour or 767 miles per hour) at sea level. The speed of sound, also known as Mach 1, can vary with altitude and atmospheric conditions. When an aircraft surpasses this speed, it is referred to as supersonic. These aircraft have various applications, including commercial travel, reducing flight times significantly, and military uses, offering strategic advantages due to their speed. Examples of supersonic aircraft include the Concorde, which was used for commercial flights, and military jets like the F-22 Raptor. The development and use of supersonic aircraft involve complex engineering challenges, particularly concerning noise (sonic booms), fuel efficiency, and environmental impact. Therefore, the correct answer to the given question is; option [C] at more than the speed of sound.

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