The absorption of ink by blotting paper involves

A) viscosity of ink
B) capillary action phenomenon
C) diffusion of ink through the blotting
D) siphon action

---

View Answer

Find the maximum velocity for the overturn of a car moving on a circular track of radius 100 m. The co-efficient of friction between the road and tyre is 0.2

A) 0.14 m/s
B) 140 m/s
C) 1.4 km/s
D) 14 m/s

---

View Answer

Nuclear sizes are expressed in a unit named.

A) Fermi
B) angstrom
C) newton
D) tesla

---

View Answer

Light year is a unit of

A) time
B) distance
C) light
D) intensity of light

---

View Answer

Let a thin capillary tube be replaced with another tube of insufficient length then, we find water

A) will overflow
B) will not rise
C) depressed
D) change its meniscus

---

View Answer