trough - what is the lowest point of a wave, crest - what is the highest point of a wave?, wavelength - what is the space between 2 crests/troughs?, period - the time taken for one wave, frequency - the number of waves in one second, wave - transfers energy from one point to another.,

लीडरबोर्ड

दृश्य शैली

विकल्प

टेम्पलेट स्विच करें

ऑटो-सेव पुनःस्थापित करें: ?