When was the first rocket launched from thumba?

0 Answers  

---

Diamond is harder than graphite because of 1 Difference of layers of atoms 2 Tetrahedral structure of diamond 3 Difference of crystalline structures 4 None of these

3 Answers  

---

Which of the following is used for removing air bubbles from glass during its manufacture? 1 Feldspar 2 Arsenious oxide 3 Potassium carbonate 4 Soda ash

1 Answers  

---

The correct sequence of various regions I absorption spectrum is 1 Visible, ultraviolet, microwave, infra red 2 Infra red, gamma rays, ultraviolet, microwave 3 Ultra violet, visible, infra red, microwave 4 None of these

1 Answers   CPSE,

---

Atoms are composed of 1 Electrons only 2 Protons only 3 Electrons and protons 4 Electrons and nuclei

1 Answers  

---

---

Which of the following substances exhibit the property of sublimation? 1 Ice 2 Wax 3 Camphor 4 Ethyl alcohol

1 Answers   Prerana,

---

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 one light year?

0 Answers  

---

172.116.0.0 is a private address - for 120 subnets how many bits does one borrow from the HOST bits

0 Answers  

---

What are luminous irregular nebulae?

0 Answers  

---

List out the General Objectives of teaching Physical science at Primary stages.

0 Answers   Mahatma Gandhi University,

---

What are reflecting nebulae?

0 Answers  

---