Select the line with keyboard instruments only. (Le Flute, Clarinet, Saxophone, Bassoon

Trumpet, Trombone, French Horn, Tuba

Ukulele, Guitar, Violin, Viola, Cello Piano,

Harpsichord, Organ, Electronic Keyboard​

Harpsichord, Organ, Electronic Keyboard​

Explanation:

None of the other lines have all instruments that have keyboards

changeable lenses of different focal lengths allow light to enter the camera, which then forms the image on light-sensitive film" is the one among the following statements about working principle behind a basic still camera is true.