Which of the following re synthetic rubbers? 1.Thiokol 2.Isoprene 3.Neoprene 1 1 and 2 2 2 and 3 3 1 and 3 4 1,2 and 3

3 Answers  

---

Optic fibers are mainly used for which of the following? 1 Communication 2 Weaving 3 Musical instruments 4 Eye surgery

1 Answers  

---

The dark lines in the solar spectrum are due to 1 Absorption of corresponding wavelengths by the prism used in he spectrograph 2 Destructive interference between waves of certain definite wavelengths 3 Absorption of corresponding wavelengths by the outer layers of the sun 4 None of these

1 Answers  

---

WHAT IS AMBER

2 Answers   CSIR,

---

Which of the following fibers is least prone to fire? 1 Rayon 2 Nylon 3 Cotton 4 Terycott

2 Answers  

---

What are nebulae?

0 Answers  

---

why we can't make our living room as refrigerator?

3 Answers   CLG,

---

What is the morphology ?

1 Answers  

---

how is rrb model question paper for science junior engineer gr.II

0 Answers  

---

The disease that is caused by viral infection is

2 Answers  

---

Which of the following is commonly called a ‘polyamide’? 1 Rayon 2 Orlon 3 Terylene 4 Nylon

3 Answers   SSC,

---

The metallic constituents of hard water are 1 Magnesium, calcium and tin 2 Iron, tin and calcium 3 Calcium, ,magnesium and iron 4 None of these

1 Answers  

---