Question

Match the column - with column-ll and mark the appropriate choice
Column-1
Column-11
(A) To measure mass
(P) Doppler's effect of light
(B) To measure time
(Q Law of gravitation and spectrometer
(C) To measure distance
(R) Caesium clock
(D) To measure speed of star (S) RADAR and SONAR
O
A-Q, B-R, C-S, D-P
o A- PQ, B- QR, C- PQR, D-S
o A-Q, B-R, C-P. D-S
Ki

Answer 1

10 11g 1h 3h 3h4v5h

make me brainleast

Answer 2

Answer:

Answer. given : u=0m/s;t=4sec;g=10m/s;h=? therefore the height of the tower is 80meter.