The average thickness of ozone layer in stratosphere is about __________ dobson unit (DU).?

20
230
750
1500

LohaHridoy

4 views

2025-01-04 04:42

1 Answers

AhmedNazir

Answer: Option 2

4 views Answered 2022-09-01 13:21

Related Questions

The correct relationship among displacement thickness d, momentum thickness m and energy thickness e is?

1 Answers 4 Views

According to six-tenths-factor rule, if the cost of a given unit at one capacity is known, then the cost of similar unit with '' times the capacity of the first unit is approximately equal to __________ times the cost of the initial unit.?

1 Answers 4 Views

In the converter of the contact process for the manufacture of H₂SO₄ the equilibrium conversion of SO₂ __________ (i) __________ with increase in temperature and __________ (ii) __________ with increase in the mole ratio of SO₂ to air.?

1 Answers 6 Views

CFC (chloro fluoro carbon) is very highly reactive in causing depletion of ozone layer in the atmosphere. Each atom of chlorine liberated from CFC is capable of decomposing __________ molecules of ozones.?

1 Answers 4 Views

Lung cancer & DNA breakage are the major ill effects of excessive ozone exposure to human beings. Ozone layer depletion in the atmosphere is mainly caused by the presence of?

1 Answers 4 Views

The boundary layer thickness at a given section along a flat plate __________ with increasing Reynold's number.?

1 Answers 6 Views

The ratio of hydrodynamic boundary layer to thermal boundary layer thickness in case of liquid metals is?

1 Answers 5 Views

Large process vessels operating under extreme temperature and pressure conditions are normally clad/ lined with materials like stainless steel, aluminium, nickel & its alloys, copper & its alloys and titanium. The cladding thickness is generally about __________ percent of the total thickness.?

1 Answers 5 Views

Generally, no corrosion allowance in wall thickness of a part is required, if the thickness is more than __________ mm.?

1 Answers 4 Views

Routers operate at layer _____. LAN switches operate at layer _____. Ethernet hubs operate at layer _____. Word processing operates at layer _____.?

1 Answers 7 Views

এক্সাম দিয়ে মেধা যাচাই করুন

Job Preparation (1125)

Admission (754)

এসএসসি (10)

এইচএসসি (5)