Question

Tick mark the correct answer :
(a) An aeroplane running on the runway, before taking off, has :
remains a
(ii) only kinetic energy
(iv) none of these
(ii) only chemical ener
(iv) none of these
) potential energy
(m) both (i) and (1)
(b) The energy stored in a car battery, has :
(1) only electric energy
(m) both (i) and (ii)
(c) Food digested by us, produces :
(i) only muscular energy
(iii) both (i) and (ii)
(iv) none of these
(d) The source of electric energy produced at hydroelectric dam, is
(i) only potential energy of water
(iii) both (i) and (ii)
(iv) none of these
(e) In petrol solar
(ii) only heat energy
(ii) only kinetic energy​

Answer 1

Answer:

uiiiiiii a

(ii) only kinetic energy

(iv) none of these

(ii) only chemical ener

(iv) none of these

) potential energy

(m) both (i) and (1)

(b) The energy stored in a car battery, has :

(1) only electric energy

(m) both (i) and (ii)

(c) Food digested by us, produces :

(i) only muscular energy

(iii) both (i) and (ii)

(iv) none of these

(d) The source of electric energy produced at hydroelectric dam, is

(i) only potential energy of water

(iii) both (i) and (ii)

(iv) none of these

(e) In petrol solar

(ii) only heat energy

(ii) only kinetic energy

Explanation:

r