If the ratio of the sums of m and n terms of an AP be (
) then the ratio of mth and nth terms is
Answers
Answer:
The de Broglie equation is an equation used to describe the wave properties of matter, specifically, the wave nature of the electron:
λ = h/mv,
where λ is wavelength, h is Planck's constant, m is the mass of a particle, moving at a velocity v.
de Broglie suggested that particles can exhibit properties of waves.
The de Broglie hypothesis was verified when matter waves were observed in George Paget Thomson's cathode ray diffraction experiment and the Davisson-Germer experiment, which specifically applied to electrons. Since then, the de Broglie equation has been shown to apply to elementary particles, neutral atoms, and molecules.
Answer:
An affirmative word, phrase, or sentence expresses the validity or truth of a basic assertion, while a negative form expresses its falsity. The sentence, "Joe is here" would be an affirmative sentence, while "Joe is not here" would be a negative sentence.
The word "affirmative" is an adjective. It describes something. Affirmative can be defined as affirming or assenting, or asserting the truth, validity, or fact of something. It can also refer to the process of expressing agreement or consent as well as assenting. As noted, it is also a statement that is positive, not negative.
Most of the sentences in this article are affirmative statements in that they affirm the propositions the writer is introducing. Not surprisingly, affirmative sentences make up the majority of spoken English.