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Clocks Video Lecture | Quantitative Aptitude for SSC CGL

FAQs on Clocks Video Lecture - Quantitative Aptitude for SSC CGL

1. What are the different types of clocks?

Ans. There are several types of clocks, including analog clocks, digital clocks, pendulum clocks, and atomic clocks. Analog clocks have hour and minute hands, while digital clocks display the time numerically. Pendulum clocks use a swinging pendulum to keep time, and atomic clocks are the most accurate type of clock and rely on the vibrations of atoms to measure time.

2. How do analog clocks work?

Ans. Analog clocks work by using a set of gears and a power source, such as a battery or winding mechanism, to move the hour and minute hands. The gears transfer the power to the hands, causing them to rotate at different speeds. The hour hand completes one full rotation every 12 hours, while the minute hand completes one full rotation every hour.

3. What is the significance of atomic clocks?

Ans. Atomic clocks are highly accurate timekeeping devices that use the vibrations of atoms to measure time. They are considered the most precise clocks available and are used in scientific research, telecommunications, and global navigation systems like GPS. The accuracy of atomic clocks is crucial in fields where precise time measurements are essential, such as satellite communication and space exploration.

4. How do digital clocks display time?

Ans. Digital clocks display time numerically using electronic components, such as light-emitting diodes (LEDs) or liquid crystal displays (LCDs). These clocks rely on a quartz crystal oscillator to generate a precise electrical signal. The oscillator's vibrations are counted by a circuit, which converts them into the appropriate numerical format, allowing the clock to display the time digitally.

5. Can pendulum clocks be as accurate as atomic clocks?

Ans. No, pendulum clocks cannot be as accurate as atomic clocks. Pendulum clocks rely on the swinging motion of a pendulum to keep time, and their accuracy can be affected by various factors such as temperature, air resistance, and friction. On the other hand, atomic clocks use the vibrations of atoms, which are highly stable and consistent, making them far more accurate than pendulum clocks.

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Jun 23, 2025 Last updated

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Video Description: Clocks for SSC CGL 2025 is part of Quantitative Aptitude for SSC CGL preparation. The notes and questions for Clocks have been prepared according to the SSC CGL exam syllabus. Information about Clocks covers all important topics for SSC CGL 2025 Exam. Find important definitions, questions, notes, meanings, examples, exercises and tests below for Clocks.

Introduction of Clocks in English is available as part of our Quantitative Aptitude for SSC CGL for SSC CGL & Clocks in Hindi for Quantitative Aptitude for SSC CGL course. Download more important topics related with notes, lectures and mock test series for SSC CGL Exam by signing up for free.

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Video Lecture & Questions for Clocks Video Lecture | Quantitative Aptitude for SSC CGL - SSC CGL full syllabus preparation | Free video for SSC CGL exam to prepare for Quantitative Aptitude for SSC CGL.

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Here you can find the meaning of Clocks defined & explained in the simplest way possible. Besides explaining types of Clocks theory, EduRev gives you an ample number of questions to practice Clocks tests, examples and also practice SSC CGL tests.

	Quantitative Aptitude for SSC CGL 315 videos\|182 docs\|185 tests

Quantitative Aptitude for SSC CGL

315 videos|182 docs|185 tests

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