RRB ALP-Unit and Measurements Set 1

pressure ✘ strain ✘ compressibility ✘ force ✔

ampere−metre2     

✘

ampere−metre     

✘

weber−metre2

✘

weber/metre

✔

kg ✘ kg/cm2 ✘ kg ✘ joule ✔

10−20m2 

✘

10−30m2

✘

10−28m2

✘

10−14m2 

✔

rotation of the earth on its axis ✘ earth's orbital motion around the sun ✘ vibrations of cesium atom ✘ oscillations of quartz crystal ✔

1 calorie = 4.18 joule

✘

1A=10−10m

✘

1MeV=1.6×10−13joule

✘

1newton=10−5dyne

✔

4 ✘ 7 ✘ 3 ✘ 5 ✔

Nm−1

✘

Nm−2

✘

N2m−1

✘

Nm−3

✔

1650763.73 periods of the Krypton clock

✘

652189.63 periods of the Krypton clock

✘

1650763.73 periods of the Cesium clock

✘

9192631770 periods of the Cesium clock

✔

104gauss

✘

4π×10−3 gauss

✘

102 gauss

✘

10−4 gauss

✔