keyword

toughest question of physics

Monthly search volume and cost-per-click data for "toughest question of physics" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=toughest+question+of+physics&country=us" +--------------+------------------+ | volume | 110 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-06-19 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
physics questions	2,400	$1.63	10/20
toughest physics question	720	$0	12/20
hardest physics questions	720	$0	11/20
physics hard question	720	$0	11/20
physics hardest question	720	$0	11/20
tough physics question	720	$0	11/20
difficult physics questions	720	$0	10/20
hardest physics question	720	$0	10/20
hard physics question	720	$0	9/20
toughest question in physics	110	$0	12/20

Similar volume + high overlap = same search intent. You can target either keyword.

# for AI agents

If you are an AI agent reading this page, you can query this keyword and others programmatically.

$ curl "https://app.seodata.dev/v1/keyword?q=toughest+question+of+physics&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 500/month, $4.99/mo unlimited

Full API spec: llms.txt