NDA 2016 Paper 2 | Physics Question 35 | General Science

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NDA 2016 Paper 2

MCQ (Single Correct Answer)

+2.5

-0.83

Which one of the following statements is not correct?

Pitch of a sound is its characteristic by which we can generally differentiate between a mal voice and a female voice.

The loudness of sound is related to its frequency.

A musical sound has certain well defined frequencies, which are generally harmonics of a fundamental frequency.

The timbre of a particular musical sound is related to the waveform of the sound wave.

NDA 2016 Paper 2

MCQ (Single Correct Answer)

+2.5

-0.83

A particle executes linear simple harmonic motion with amplitude of 2 cm. When the particle is at 1 cm from the mean position, the magnitudes of the velocity and the acceleration are equal. Then, its time period is

$${{2\pi } \over {\sqrt 3 }}s$$

$${{\sqrt 3 } \over {2\pi }}s$$

$${1 \over {2\pi \sqrt 3 }}s$$

NDA 2016 Paper 2

MCQ (Single Correct Answer)

+2.5

-0.83

When a ray of light enters a glass slab, then

only the frequency change

frequency and velocity change

frequency does not change

frequency and wavelength change

NDA 2016 Paper 2

MCQ (Single Correct Answer)

+2.5

-0.83

A ball is thrown vertically upward from the ground with a speed of 25.2 m/s. The ball will reach the highest point of its journey in

5.14 s

3.57 s

2.57 s

1.29 s

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NDA Subjects

English

Reading Comprehension Synonyms Antonyms Cloze Rearranging Sentences in a Paragraph Idioms and Phrases Word Classes Sentence Completion Improvement of Sentence

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