Question : Matter waves are:
Option 1: De Broglie waves
Option 2: Electromagnetic waves
Option 3: Transverse waves
Option 4: Longitudinal waves
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Correct Answer: De Broglie waves
Solution : The correct answer is De Broglie waves.
De Broglie waves, also known as matter waves, were introduced by the French physicist Louis de Broglie in 1924. De Broglie proposed that particles, such as electrons, and other subatomic particles, can exhibit both particle-like and wave-like properties. This idea was a key development in the early understanding of quantum mechanics and played a crucial role in the development of wave-particle duality.
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Question : When a stone is thrown into the calm water of a pond, the waves produced on the surface of the water in the pond are:
Option 1: Longitudinal
Option 2: Transverse
Option 3: Both longitudinal and transverse
Option 4: Waves are not produced
Question : Which of these waves can be polarised?
Option 1: Sound waves in the air
Option 2: Longitudinal waves on a string
Option 3: Transverse waves on a string
Option 4: Light waves
Question : Which of the following earthquake waves are longitudinal waves?
Option 1: L waves
Option 2: P waves
Option 3: N waves
Option 4: S Waves
Question : Which of the following earthquake waves are surface waves?
Option 1: P waves
Option 2: L waves
Option 3: S waves
Option 4: M waves
Question : The waves used in sonography are:
Option 1: Microwaves
Option 2: Infrared waves
Option 3: Sound waves
Option 4: Ultrasonic waves
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