A car is moving with uniform acceleration. It covers 200 m in 2 sec and 220 m
A car is moving with uniform acceleration. It covers 200 m in 2 sec and 220 m in next 4 sec. The velocity of car at the end of 7th second from start is
AFMC2006
B is doped in Si or Ge, then we will get
B is doped in Si or Ge, then we will get
Options
(a) P-type semiconductor (b) N-type semiconductor (c) An insulator (d) A conductor
Correct Answer:
P-type semiconductor
Explanation:
No explanation available. Be […]
During production of cathode ray
During production of cathode ray
Options
(a) d.c. source is connected across cathode ray tube (b) a.c. source is connected across cathode ray tube (c) Electric field is perpendicular to magnetic field (d) […]
A force of 5 N is acting on an object. Displacement of object is 10 m and the work done
A force of 5 N is acting on an object. Displacement of object is 10 m and the work done on it is 25 J. The angle between force and displacement is
Options
A body is moving in a vertical circle. The string must remain taut at the highest point
A body is moving in a vertical circle. The string must remain taut at the highest point. The centripetal acceleration when string is horizontal is
Options
(a) 3g (b) 5g (c) g (d) […]
A current is flowing through resistance. A potential difference of 120 V
A current is flowing through resistance. A potential difference of 120 V is applied across resistance. Power dissipated in resistance is 60W. Find current flowing through it
Options
(a) 2 A (b) 0.5 […]
Time period of the rotation of the earth about its own axis is 24 hour
Time period of the rotation of the earth about its own axis is 24 hour. Mass and radius of the earth are 6 x 10²⁴ kg and 6.4 x 10⁶ m respectively. The rotational kinetic […]
Protozoans lack which of these as locomotary organs?
Protozoans lack which of these as locomotary organs?
Options
(a) pseudopodia (b) flagella (c) cilia (d) parapodia
Correct Answer:
parapodia
Explanation:
No explanation available. Be the first to write the explanation for this […]
Myoglobin is present in
Myoglobin is present in
Options
(a) all muscle fibres (b) white muscle fibres (c) red muscle fibres (d) both white and red muscle fibres
Correct Answer:
red muscle fibres
Explanation:
No explanation available. […]
How many ATPs are generated in respiration?
How many ATPs are generated in respiration?
Options
(a) 36 (b) 38 (c) 12 (d) 4
Correct Answer:
38
Explanation:
No explanation available. Be the first to write the explanation for this question […]