Physics Period of oscillation of 3 cm microwaves in seconds is 1 × 10–10 0.01 0.001 1 × 1010 1 × 10–10 0.01 0.001 1 × 1010 ANSWER DOWNLOAD EXAMIANS APP
Physics When a bar magnet is cut into two equal halves, the pole strength of each piece – Becomes zero Becomes half Becomes double Remains the same Becomes zero Becomes half Becomes double Remains the same ANSWER DOWNLOAD EXAMIANS APP
Physics The best material for the core of a transformer is Stainless steel Mild steel Soft iron Hard steel Stainless steel Mild steel Soft iron Hard steel ANSWER DOWNLOAD EXAMIANS APP
Physics One watt-hour is equivalent to 6.3 x 103 J 3.6 x 103 J 6.3 x 10-7 J 3.6 x 10-3 J 6.3 x 103 J 3.6 x 103 J 6.3 x 10-7 J 3.6 x 10-3 J ANSWER DOWNLOAD EXAMIANS APP
Physics A micron is equal to 0.1 mm 0.001 mm 0.0001 mm 0.01 mm 0.1 mm 0.001 mm 0.0001 mm 0.01 mm ANSWER DOWNLOAD EXAMIANS APP
Physics Which type of mirror is used in the head lights of vehicles ? Concave mirror Convex mirror Parabolic mirror Plane mirror Concave mirror Convex mirror Parabolic mirror Plane mirror ANSWER DOWNLOAD EXAMIANS APP