joemoe

log_3⁡5× log_25⁡27=………….
A.3/2 B.2/3 C.5/27 D.3/25 E. 5×27
10.If x=log_b⁡a,y=log_c⁡b,z=log_a⁡c, then xyz=…………
A. 0 B. 1 C.-1 D. abc E. a+b+c

1. If log⁡2=a, then =…….
   A.a^2 B.2.5a C.1+a D.1-a E.1/2 a
   12.If log⁡2=a, log⁡3=b, then log⁡144=………….
   A. a^4 b^2 B.4a+2b C.8ab D. a^2 b^2 E. None of them
2. 3+log_2⁡5=……..
   A.log_2⁡40 B.log_2⁡4 C.log_2⁡150 D. log_2⁡15 E.log_2⁡60
3. log⁡0.01=………
   A. 2 B. -2 C.1/2 D.-1/2 E.0
4. log_2⁡40+log_2⁡0.1+log_2⁡0.25=……….
   A. 0 B. 1 C.2 D. 3 E.4
5. log_2⁡〖2√2〗=………
   A. 2/3 B.1 C.1 1/2 D.-3/2 E.-2/3
   The gravitational force is a ……… range force .
   (14) Weight has both magnitude and ………. .
   (15) The SI unit of weight is ……… .
   (16) Mass is a scalar quantity and its SI unit is ……… .
   (17) The gravitational force interact between ………. .
   (18) The weight of 50 kg mass is ……….. .
   (19) The nuclear force is a ……. range force.
   (20) The ratio of mass to volume is defined as ……… .
   (21) The density of ice is ……….. than that of water.
   (22) The symbol of density is ρ and it is a …….. quantity.
   (23) The SI unit for pressure is …….. .